5.0
verified purchase
Too early for results
no side effects that I can tell. excited to incorporate this. I hope i will see better hair and nail health soon!! thank you, iherb.
9/9/2026
Supports Hair, Nails, and Skin Health Dietary Supplement Keratin is an insoluble protein found in epidermal tissues such as the hair, nails, and skin where it helps to provide them with structure and to protect them against damage. While keratin levels are usually adequate in young people the body produces less and less as one ages, making keratin supplements an excellent choice for maintaining a youthful appearance for one's hair, nails, and skin.
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Supports Hair, Nails, and Skin Health Dietary Supplement Keratin is an insoluble protein found in epidermal tissues such as the hair, nails, and skin where it helps to provide them with structure and to protect them against damage. While keratin levels are usually adequate in young people the body produces less and less as one ages, making keratin supplements an excellent choice for maintaining a youthful appearance for one's hair, nails, and skin.
- SKU
- 3-157588
- Brand
- Double Wood Supplements
- Category
- health / supplements / beauty-appearance
- Variants
- 1
Customer reviews
5.0
verified purchase
Great for my fingernails!
I like this brand of keratin because it works for me. My fingernails were weak — tearing, splitting, and chipping until I started taking a capsule of keratin each day. As long as I keep taking it they remain strong and long.
6/27/2026
