Solaray Collagen Keratin Type I, II, and III Capsules, 60 Count Go to amazon.com Related posts 10 best keratin supplements for 2022 FeatureCollagen is one of the proteins found in most connective tissues, including cartilage, bone, and skinPromotes joint supportHelps promote stronger hair and nails DescriptionSolaray Collagen Keratin Type I, II, and III Capsules, 60 Count