Top 10 Best Restore Hair Growth System

Advanced Collagen Pills for Women and Men - MultiMane Collagen Capsules include essential multi collagen pills types I, II, III, and IV, biotin vitamins for hair skin and nails, keratin, and hyaluronic acid supplements and more. Forget the hair mask for dry damaged hair and growth and keratin hair mask. Clean Nutra has finally created unmatched collagen supplements for women and collagen for men that contain both type 1 collagen and type 2 collagen in each collagen pill.. The Hair Growth Vitamins Youve Been Looking For - Score 6 full-dose hair growth supplement products in one Our hair vitamin contains a full biotin supplement, collagen supplement, vitamin C, vitamin E, folate vitamin B9, and saw palmetto for men in a convenient 3 capsule dosage Don't settle for plain old collagen peptides capsules, hair vitamins, multi collagen capsules, biotin 5000mcg, or saw palmetto for women that just have one or two ingredients. We made collagen for women better.. MultiMane Keratin and HSN100 Blends - With 6 full hair growth vitamins for women and collagen for hair growth included above, our formula also contains hair and nails vitamins for women such as hyaluronic acid capsules, pumpkin seed, MSM, PABA, glutathione, apple cider vinegar, a dht blocker for women hair growth and dht blocker for men These 16-in-1 skin vitamins for women are packed with collagen vitamins, marine collagen capsules, biotin capsules, hyaluronic acid pills and collagen complex.. All-In-One Hair And Nail Vitamins - MultiMane is overflowing with potent collagen type 2, collagen peptides pills, biotin pills for hair growth, and more hair vitamins for women. Clear out those countless hair supplements for hair growth women in your supplement cabinet, and replace it with just one simple serving of collagen capsules for women and collagen pills for men using this 16-in-1 formula from Clean Nutraceuticals. Enjoy quality collagen for skin by taking multi collagen peptides.. Vetted and Trusted Ingredients - We pride ourselves in offering quality collagen, biotin for hair growth, protein pills for women, and prostate supplements for men. These hair growth support pills are made in a registered and certified facility and conquer alternatives like biotin oil, collagen tablets, biotina de 10000 mg, biotin 5000, saw palmetto gummies, saw palmetto shampoo, keratin hair treatment, and hair masks. This is an uncontested vitamin for hair growth for women..

USA CLINICALLY TESTED NOTICEABLE RESULTS IN 2 MONTHS - New Professional Hair Regrowth Therapy Set. Daily Pack with Essential Hair Vitamins for Women to Combat Hair Loss Restore Hair Growth. 2-MONTH SUPPLY HAIR GROWTH PRODUCTS TREATMENT FORMULA - Scalp Hair Care Strengthening Product to Tackle Hairloss Balding. Hair Growing Nutrition for Extra Strength Faster Hair Growth Enhancement. DELIVERED BY 80 YEAR EXPERIENCED TRICHOLOGISTS ENDORSED BY DERMATOLOGISTS - Advanced Female Hair Grow Aid Designed by Trichology Experts. Nourishing Hair Regrow Repair System Backed by Professionals. VEGAN, NON GMO CRUELTY FREE - Anti Hair Fall Capsules of Vital Hair b Complex for Thicker Fuller Hair, Treats Hair Thinning Falling Out with Pure Healthy Extracts. Best for Menopause and Postpartum Hair Loss. EFFECTIVE NUTRIENT ENHANCED ABSORPTION - Probiotic Blend, Nano sized Liposomal Holistic Hairgrowth Ingredients, MSM, Zinc, Saw Palmetto, Biotin for Hair Health, Skin Beauty Natural Hair Balance.

Unique Hair Growth Formula Fight hair loss naturally and improve your scalp health to promote rapid hair growth. Contains Biotin, Saw Palmetto DHT Blocker This proprietary formula is made of essential ingredients that have been shown to grow thicker, fuller, and healthier hair. Biotin B-Complex Vitamins help to thicken your hair naturally and support your adrenal glands to reverse the damage from hair loss also supports healthy nails skin. SAW PALMETTO DHT BLOCKER treat the root cause of hair loss and thinning hair by inhibiting the 5-alpha-reductase enzyme, which leads to male and female pattern baldnessDisclaimer Women who are pregnant or nursing should not take supplements with Saw Palmetto.. Manufactured In The USA This powerful multi-nutrient formula is Non-GMO, Gluten-free, Safe, and has no side effects manufactured in GMP-certified facilities in the United States Please note that hair growth is slow and most hair loss products require at least 90 days to see visible results..

90-Day Satisfaction Guarantee We stand by our biotin gummies and know that you'll love the natural orange, lemon, and cherry fruit flavors. Growing fuller, healthier hair is a slow process that doesn't happen overnight - that's why we offer our 90-Day Money Back Guarantee If you don't love it, get a FULL REFUND within the first 90 days of your purchase.. An All-In-One Solution iRestore hair, skin, and nail gummy vitamins promote hair health, density, thickness, fullness, and nourish the skin. Our biotin gummies are packed with antioxidants and are a delicious way to combat thinning hair, balding, receding hairline, breakage, hair loss, acne, premature wrinkles, and brittle nails.. Vital Ingredients Biotin 10000mcg Vitamin B7, Vitamin E C - Promotes natural collagen production to improve your hair health, skin and nail health, and supply them with antioxidants, fatty acids, and healthy nutrients for stronger hair and nails and glowing skin. Take the guesswork out of your beauty regime by relying on the proven power of our hair gummy vitamins.. All Of The Good, None Of The Bad There are no preservatives, gluten, or animal products used in these hair vitamins gummies. We're proud to be vegan cruelty-free, and naturally colored flavored with 100 plant-based ingredients different from other brands.. Made In USA GMP-Certified With your health and safety in mind, we ensure that every batch of hair skin and nails gummies adhere to our stringent standards of quality. We are proud to be made in the USA, in GMP-certified facilities..

Thickening Shampoo for Thinning Hair - Enhance your scalp health and support hair growth with this optimal blend of plant-derived ingredients, including Biotin, Antioxidants, Amino Acids, Aloe Vera, and Green Tea Extract that nourish to promote natural hair growth. 100 Satisfaction Guarantee Try it risk-free today. If you dont love it or feel a difference, simply send it back. No questions asked. Note hair loss doesnt happen overnight, neither does hair growth. It takes at least 90 days to see results.. Made in USA, Hair Shampoo for Damaged or Thinning Hair This powerful biotin shampoo for hair growth contains the award-winning ingredient Redensyl 1 and is designed to fight thinning hair, and receding hairline for both men and women.. Advanced Volumizing Therapy This gentle therapy revitalizes hair follicles to restore damaged hair for more thickness, shine, and body. This hair growth shampoo for men and women rejuvenates and thickens to restore your hair's natural balance. No Toxic Chemicals, Safe Effective Intended for men and women. It's pH balanced and contains no parabens or other toxic chemicals like other routine shampoo and conditioner and hair loss shampoo that leave your scalp depleted of nutrients.

The iRestore Max Growth Bundle is a comprehensive system of premium hair growth products that fight hair loss thinning hair for both men and women. All products are made in USA, non-invasive, and effective.. Growth Activator Serum Our hair growth activator serum is formulated with a blend of clean and potent ingredients like Redensyl, Capixyl, and Biotin that ensures rapid absorption, promoting increased hair growth and density for noticeably thicker and fuller hair over time. DHT Blocker Formula Contains Biotin, Saw Palmetto DHT Blocker this proprietary formula is made of essential ingredients that have been shown to grow thicker, fuller, and healthier hair in scientific studies Please note that hair growth is slow and most hair loss products require at least 90 days to see visible results. Women who are pregnant or nursing should not take supplements with Saw Palmetto.. Thickening Shampoo This powerful biotin shampoo for hair growth contains the award-winning ingredient Redensyl 1 and is designed to fight thinning hair, and receding hairline for both men and women. Enhance your scalp health and support hair growth with this optimal blend of plant-derived ingredients, including Biotin, Antioxidants, Amino Acids, Aloe Vera, and Green Tea Extract that nourish to promote natural hair growth. Thickening Conditioner This pH-balanced conditioner helps to strengthen follicles and restore hair health with a transforming formula of restorative plant-derived ingredients to renew density, moisture, softness, shine, and overall hair and scalp health. The blend of Biotin, Ginseng, volumizing Keratin and antioxidant-rich oils such as Argan Oil nourishes and restores youthful movement leaving hair refreshed and invigorated..

NON-IRRITATING FAST ABSORBING Our hair growth activator serum is formulated with a blend of clean and potent ingredients like Redensyl, Capixyl, and Biotin that ensures rapid absorption, promoting increased hair growth and density for noticeably thicker and fuller hair over time. REVITALIZE HAIR HEALTH Enriched with Ginseng and Peptides, our hair serum strengthens the hair from root to tip. With Stinging Nettle and Saw Palmetto, our scalp serum for hair growth acts as a natural DHT blocker, effectively reducing hair loss and preventing further thinning. NOURISHMENT HYDRATION FOR ALL HAIR TYPES Enriched with Avocado Oil and Mushroom Extracts that deeply hydrates the scalp and hair, resulting in improved texture and vitality. Proudly free of Parabens, Sulfates, Phthalates, and other harmful Drugs. VEGAN SCIENCE-BACKED INGREDIENTS It is one of the best hair growth serum for thinning hair, completely cruelty-free with plant-based actives, which are safe for colored hair and effective for all hair types. With no added fragrance, it has a natural soothing scent from Aloe Vera, that also provides relief from an itchy scalp. PROVEN RESULTS iRestore takes pride in helping countless people embark on their hair regrowth journey. Regain your confidence with our Growth Activator Serum that delivers visible results in as little as 8 weeks of consistent use.

Hair Growth Conditioner for Women and Men - This pH balanced conditioner helps to strengthen follicles and restore hair health with a transforming formula of restorative plant-derived ingredients to renew density, moisture, softness, shine, and overall hair and scalp health. 100 Satisfaction Guarantee Try it risk-free today. If you dont love it or feel a difference, simply send it back. No questions asked. Note hair loss doesnt happen overnight, neither does hair growth. It takes at least 90 days to see results.. Volumizing Conditioner for Fine Hair - Biotin conditioner blends Biotin, Ginseng, volumizing Keratin and antioxidant-rich oils such as Argan Oil to nourish and restore youthful movement leaving hair refreshed and invigorated.. Hair Conditioner for Damaged Dry Hair - Helps to moisturize dry scalps and repair damaged hair leaving your hair feeling silky smooth. Perfect for all hair types and is the best hair thickening conditioner to restore hair health.. Safe Effective - Unlike other biotin shampoo and conditioner that leave your hair stripped of essential nutrients, iRestore hair growth conditioner is made in the USA, is sulfate-free, non-toxic, cruelty-free and formulated for all hair types.

THICKNESS, FULLNESS, DENSITY This Follicle Boosting Serum is a weightless, fast-absorbing daily serum for energizing the scalp while revitalizing hair follicles with cutting-edge skin and hair care ingredients. TARGETS THINNING AT THE ROOT Our thickener serum for hair nourishes follicles, conditions hair and scalp, all the while creating the foundation for fuller and thicker hair growth. REAL RESULTS Dont just take our word for it - based on evidence - 100 of women agreed Keranique helped strengthen their hair, while 86 agreed Keranique helped their hair look fuller. ENRICHED WITH KERATIN AMINO COMPLEX This thicker fuller hair serum features a proprietary formula developed by our experts to help moisturize, strengthen, and thicken weakened hair for a shinier, more invigorated look. LET OUR HAIR CARE BE YOUR SELF-CARE With a trust-built user community of over 2 million women worldwide, we at Keranique are here to offer serious solutions and real results that help you reclaim your radiance and confidence.

VOLUME-BOOSTING POWER COUPLE Achieve thicker and fuller hair at any age - our thickening shampoo and conditioner gently cleanse, nourish, and strengthen thin, fine hair, significantly reducing hair fall due to breakage. NO MORE FLAT, LIFELESS HAIR Pump up the volume, ladies - Keranique anti-aging volume shampoo and conditioner are carefully crafted lightweight formulas that add voluminous texture without heavy residue for a bouncy, natural lift. ENRICHED WITH HAIR STRENGTHENING KERATIN Keranique's proprietary Keratin Amino Complex in our moisturizing set helps enhance volume by thickening each hair shaft, while reinforcing and protecting all types of thinning hair. ETHICAL PRACTICES Cruelty-free Keranique shampoo and conditioner are formulated without dyes, sulfates, or any other potentially harmful chemicals They're gentle on the scalp and suitable for color-treated hair. LET OUR HAIR CARE BE YOUR SELF-CARE With a trust-built user community of over 2 million women worldwide, Keranique hair products are designed to deliver life-changing solutions for hair thinning and create the foundation for fuller hair growth.

NEW LARGER SIZE Difeel Biotin Root Stimulator now in a larger 7.1 ounce bottle.. HAIR GROWTH STIMULATOR Our 99 Natural Blend with fortifying Biotin.. HAIR GROWTH ACTIVATOR Helps stimulate the hair follicles at the root.. ROOT REACTIVATION FOR HAIR GROWTH Promotes healthy hair growth while strengthening and adding shine to your hair.. FOLLICLE HAIR GROWTH Helps prevent hair loss while working to restore thinning hair.. HAIR FOLLICLE SERUM Easy Difeel Packaging, Proudly Made in USA.

Minoxidil is clinically proven to help re-grow Hair. You deserve to feel confident in your hair regrowth treatment journey. Our advanced formula is designed to help revitalize hair follicles.. Thicker-Looking Hair in 3 Months. Our formula has been shown to help women re-grow thicker looking hair. Ladies, it's finally your turn to be FREE from the embarrassment of hair loss.. Includes the only clinically approved product to re-grow hair. Join millions of women who have experienced real hair regrowth and thicker, fuller hair with Keranique. Our system restores confidence with every use.. Our easy-to-use dropper makes hair regrowth a seamless part of your daily routine. Say goodbye to the hassle of hair loss with this minoxidil hair loss treatment solution.. Say Goodbye to Hair Loss Embarrassment with Keranique. Join our community of women who have reclaimed their confidence with Keranique's hair growth and hair regrowth treatment products. Our quality minoxidil topical solution delivers real results in just 3 months..

Difeel Castor Pro-Growth Root Stimulator is a vitamin-rich pro-growth formula for longer, stronger and thicker hair.. Castor oil is a powerful ally in hair re-growth and thickness.. Castor Root Stimulator is infused with nourishing castor oil to help promote healthy hair growth, strength and shine.. Helps thicken hair and works to restore thinning hair. Helps protect against breakage.. Paraben-Free, Sulfate-Free, Phthalate-Free, Formaldehyde-Free, Mineral oil Dye free. Made in USA.

iRestore Laser Hair Growth System is a FDA-cleared hair loss treatment and laser hair growth device for treating alopecia, receding hairline, balding thinning hair to stimulate hair regrowth for men and women. 6-Month Money Back Guarantee Users can expect to see visible hair improvement in as little as 3 to 6 months results may vary. If you dont see results with our laser hair loss products in 6 months, send it back for a refund. less a 10 restocking fee. iRestore has been clinically studied by doctors and been proven to promote hair regrowth for men and women in a recent 2017 research study. In this clinical study, an astonishing 100 of active male and female users saw visible hair growth with an average increase of 43.23 in hair count Scroll down to the RELATED VIDEO SHORTS section below to learn more. Whether you're a man or woman, you can grow thicker, fuller, and healthier hair fast with iRestore's clinical-strength laser hair restoration technology. You can use it on its own or combine it with other hair loss treatments physicians believe low level laser therapy LLLT can be used to enhance the results of other hair loss treatments such as biotin supplements, hair growth shampoo, conditioner, foam, minoxidil, Propecia, finasteride, and other hair growth products. Developed in GMP-certified facilities, this home-use laser hair growth device is durable, lightweight, comfortable, hands-free and easy to use unlike a laser comb and brush that provides far less coverage AND require constant hand movement, which is tiring, inconvenient, and prevents you from going about your day..

The iRestore Professional Laser Hair Growth System is designed with an industry leading 282 lasers and LEDs 1410 mW total power output to help treat men and women with alopecia, receding hairline, pattern baldness and thinning hair, by stimulating hair follicles to promote healthy hair growth and prevent hair loss. Use it on its own or combine it with other hair loss treatments to enhance results. such as minoxidil, hair loss supplements, shampoo, etc.. 6-Month Money Back Guarantee - iRestore's low-level laser light therapy technology in the all new Pro is the safest and most effective way to restore your hair and confidence. Users can expect to see visible improvement in as little as 3 to 6 months. If you are not satisfied for any reason, return it within 6-months of the purchase date for a refund less a 10 restocking fee. Note Contact the seller directly if purchased over 30 days ago as Amazons system only allows 30 days for returns.. The iRestore Pro hair regrowth system provides maximum scalp coverage competitor devices don't offer. It uses advanced laser and red light technology at the optimal wavelength that can reach the hair line, temples, sides and lower-crown. With medical-grade padding that gently hugs the head, the Pro laser therapy system is much more comfortable than wearing a baseball cap and provides air ventilation to keep the scalp cool and comfortable a feature that most other laser caps do not offer.. Unlike laser combs, laser bands or brushes that provide far less coverage and require constant hand movement, the iRestore Pro hair growth system provides extended coverage and is 100 hands-free. Use 2-3 times per week while making dinner, watching sports, cleaning the house or enjoying your favorite TV show.. In a clinical study conducted by a board-certified dermatologist, the FDA-cleared iRestore laser hair growth system resulted in 100 of men and women who participated, with an average of 43.23 in visible hair growth. by hair count Combine with iRestore thinning hair shampoo, hair growth serum, hair growth oil, minoxidil, finasteride, and other hair growth products to maximize results..

UNIQUE HAIR GROWTH FORMULA Fight hair loss naturally and improve your scalp health to promote rapid hair growth. CONTAINS BIOTIN, SAW PALMETTO DHT BLOCKER This proprietary formula is made of essential ingredients that have been shown to grow thicker, fuller, and healthier hair. BIOTIN B-COMPLEX VITAMINS help to thicken your hair naturally and support your adrenal glands to reverse the damage from hair loss also supports healthy nails skin. SAW PALMETTO DHT BLOCKER treat the root cause of hair loss and thinning hair by inhibiting the 5-alpha-reductase enzyme, which leads to male and female pattern baldness. MANUFACTURED IN THE USA This powerful multi-nutrient formula is Non-GMO, Gluten-free, Safe, and has no side effects manufactured in GMP-certified facilities in the United States Please note that hair growth is slow and most hair loss products require at least 90 days to see visible results..

Formula for Thinning Hair This powerful hair rejuvenation shampoo, hair loss shampoo, biorepair 8 anti thinning shampoo is designed to fight balding, thinning hair, and receding hair line for both men and women. Not a biotin hair shampoo but a nice hair regrowth shampoo.. Formulated with Essential Ingredients Enhance your scalp health and support hair growth with the optimal blend of ingredients, including Antioxidants, Amino Acids, Aloe Vera, Green Tea Extract, and other essential ingredients in this hair growing shampoo.. Advanced Volumizing Therapy This gentle therapy revitalizes hair follicles to restore damaged hair for more thickness, shine, and body. No Toxic Chemicals, Safe Effective This premium shampoo is intended for all hair types, men and women it's pH balanced safe for color-treated hair there are no toxic chemicals added. Made in USA Feel safe using a product made with natural ingredients in the USA in advanced medical research laboratories Please note that hair growth is slow and most hair loss products require at least 90 days to see visible results..

LESCOLTON Laser Hair Regrowth Use 650670nm Soft Light LED for hair loss treatment,treating alopecia, receding hairline, balding thinning hair to stimulate hair regrowth.This is low level lazer-therapy device,compared with traditional treatment of hair loss, this solution has more powerful, more convenient, painless, non-invasive effect.. Professional Hair Loss Treatment LESCOLTON hair regrowth system low level laser therapy LLLT can be used to enhance the results of other hair loss treatments, deep penetration by the LLLT for hair restoration, baldness treatment and relieves itchy scalp conditions. Works with most effective 65010 nm wavelength effectively for thinning hair treatment.. Easy-going 4 Modes For All People Mode 1, Suitable for severe hair loss. Mode 2, Applicable to severe hair loss in the middle of the head. Mode 3, Suitable for male-pattern baldness. Mode 4, Suitable for hair loss prevention, postpartum hair loss and hair roots reinforcement.. Easy To Use Just choose mode. 25 minutes shut down automatically. unlike a laser comb and brush that provides far less coverage and require constant hand movement, which is tiring, inconvenient, and prevents you from going about your day. You can handle the work or enjoy you time freely. You can use it on its own or combine it with other hair loss treatments,such as biotin supplements, hair growth shampoo, conditioner, foam, minoxidil, finasteride, and other hair growth products.. Safe For Use Built-in intelligent infrared sensor light,the product will stop working when it is not worn on the head. This home-use medical device is durable. Intelligent integrated degisn, intelligent adjustment of the light mode..

REGROW YOUR HAIR AND REGAIN YOUR CONFIDENCE - Theradome EVO LH40 Laser Hair Growth Helmet reduces hair loss, increases hair volume, and stimulates hair growth. 40 premium high-energy density lasers stimulate hair follicles to produce keratin, speed up hair regrowth, and maintain the hair growth cycle.. PORTABLE CONVENIENT HAIR LOSS TREATMENT - Use this hands-free, wearable laser phototherapy device to achieve your hair goals. See hair improvement as early as four weeks of use. No need for prescriptions, ineffective LED devices, or surgery. This hair laser helmet is lightweight, painless, and safe. Its also conveniently wireless and rechargeable letting you move around while undergoing your hair treatment. For best results, use it consistently for 20 minutes per session, four times a week.. SAY GOODBYE TO HARMFUL CHEMICALS OR TREATMENTS SIDE EFFECTS - Theradomes advanced hair growth technology effective cold lasers, powerful red light, optimal energy dosage, maximum therapy. This is the only hair growth laser of its kind 56x more powerful than the other options. It penetrates deep enough to stimulate the hair follicle for hair growth scalp treatment. This light therapy is clinically tested and FDA cleared as safe and effective for OTC Over-The-Counter sale in the US.. AFFORDABLE HAIR RESTORATION - You are taking the best action possible against hair loss with Theradome. Unlike expensive hair loss treatments surgical hair transplants, this provides maximum results at an affordable price point with no side effects no shedding. Minimize hair loss after 1 month of use. At 2-4 months, you can see the thickening of existing hair by Month 5, you will see baby hairs begin to grow. Keep using as directed until satisfied with your life-changing results.. MADE IN THE USA 6 MONTH MONEY-BACK GUARANTEE - You can count on Theradome laser hair growth devices quality and reliability as it is designed and built in the USA, in the heart of Silicon Valley San Jose, CA in an FDA-registered and ISO-certified facility. If you have not achieved visible or satisfactory results after 180 days from the date of purchase, you may return the product to Theradome for a FULL REFUND of the purchase price minus shipping costs..

Repairs damaged and compromised hair, strengthens and protects hair structure, restores healthy appearance and texture. Apply a generous amount from roots to ends on unwashed towel-dried hair. Comb through once and leave on for a minimum of 10 minutes or more. Rinse from hair, shampoo, and condition.. Healthy hair.

WORKS TO REMOVE VIRUSES COVID-19 Our air purifiers have been proven to remove 99.9 of COVID-19 from treated air, also removing 99.9 of other viruses, bacteria and mold. 1,2 see below. REMOVES ALLERGENS AND SMOKE Advanced 3-in-1 filtration captures 99.97 of smoke, dust, pollen, pet dander, odors and other ultrafine impurities.. ADVANCED AIR CLEANING TECHNOLOGY 3-in-1 filtration HEPA-13, Activated Carbon, Antimicrobial coating plus plasma ion technology work together so you can breathe easier.. 247 AIR QUALITY MONITORING Our intelligent sensor monitors air quality 247 and adjusts fan speed in Auto Mode to make the air in your home cleaner. 3 see below. A BRAND YOU TRUST From the makers of Instant Pot, the brand that revolutionized the way you cook, is now transforming the way you live.. PREVENTS BACTERIAL GROWTH Our 3-in-1 filtration contains an added antimicrobial coating protecting the filter.. CLEANER AIR IN MINUTES Independently verified by AHAM Association of Home Appliance Manufacturers to filterthe air in an area of 388 sqft 5x per hour 4 see below or up to 1,850 sqft 1x per hour.. WHISPER-QUIET NIGHT MODE Light sensor automatically turns off displays and lowers noise to whisper-quiet levels when it is time for bed 5 see below. REDUCES ODORS Activated carbon filter layer helps reduce unpleasant smells.. EXTENDED FILTER LIFE 3-in-1 filter lasts at least 8 months when in ecomode 247 usage-based indicator lets you know when its time to replace..

It is formulated with olaplex bond building chemistry. It restores internal strength and moisture levels to add incredible shine and manageability. It is recommended for all hair types.