Keratin Hair Growth Vitamin (500mg per Serving, 120 Pills) Keratin Hair Treatment for Men and Women (Vital Protein for Hair, Skin, and Nails) by Double Wood Supplements – Amazon

Price: $17.95
(as of Jan 06,2023 07:35:08 UTC – Details)

Consult your physician before use: Known side effects of Keratin include but are not limited to heartburn, nausea, headaches, diarrhea, mild insomnia. Discontinue use immediately if any side effects occur and consult your physician.
Product Dimensions ‏ : ‎ 2.2 x 2.2 x 4.2 inches; 2.4 Ounces
Date First Available ‏ : ‎ July 26, 2021
Manufacturer ‏ : ‎ Double Wood Supplements
ASIN ‏ : ‎ B09B8PMY86

Keratin Complex for Hair Growth: The Keratin protein is vital for the structure, softness, smoothness, and flexibility of your hair.
Backed by Research: In one study dermatologists gave 500mg of Keratin daily to 50 women for 90 days. After 30 days there was a 17% improvement in hair strength and by 90 days hair strength had improved by nearly 50%.
Keratin for Nail Health: One study showed 90 days of Keratin usage supported Nail strength, smoothness, and whiteness by up to 80%
USA Proud: Doublewood Supplements’ Keratin hair supplement is manufactured and tested for safety right here in the USA, Non-GMO, and Gluten Free