Studies
[1] Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin care - [Link]
[2] A Collagen Supplement Improves Skin Hydration, Elasticity, Roughness, and Density: Results of a Randomized, Placebo-Controlled, Blind Study - [Link]
[3] Beauty from within: Oral administration of a sulfur-containing supplement methylsulfonylmethane improves signs of skin ageing - [Link]
[4] Niacinamide: A B Vitamin that Improves Aging Facial Skin Appearance - [Link]
[5] Retinoids in the treatment of skin aging: an overview of clinical efficacy and safety - [Link]
[6] Why does skin wrinkle with age? - [Link]
[7] The effect of oral collagen peptide supplementation on skin moisture and the dermal collagen network - [Link]
[8] https://parjournal.net/article/view/3863 - [Link]
[9] Skin anti-aging strategies - [Link]
[10] Decreased Collagen Production in Chronologically Aged Skin - [Link]
[11] The Truth About Over-the-Counter Topical Anti-Aging Products: A Comprehensive Review - [Link]
[12] 8 Ways to Stimulate Collagen Production In Skin - [Link]
[13] Does Collagen Work In Serums & Creams? - [Link]
[14] Are Collagen Nutricosmetics More Effective than Topical Collagen? - [Link]
[15] Effect of an Oral Nutrition Supplement Containing Collagen Peptides on Stratum Corneum Hydration and Skin Elasticity - [Link]
[16] A Collagen Supplement Improves Skin Hydration, Elasticity, Roughness, and Density... - [Link]
[17] Anti-Aging - [Link]
[18] Over-the-Counter Topical Skincare Products: A Review of the Literature - [Link]
[19] Skin Aging And Physiology - [Link]
[20] Potency of a novel saw palmetto ethanol extract, SPET-085, for inhibition of 5α-reductase II - [Link]
[21] Daily consumption of the collagen supplement Pure Gold Collagen® reduces visible signs of aging - [Link]
[22] Hyaluronic acid: A key molecule in skin aging - [Link]
[23] Oral hyaluronan relieves wrinkles: a double-blinded, placebo-controlled study over a 12-week period - [Link]
[24] Ageing processes influence keratin and KAP expression in human hair follicles - [Link]
[25] Involvement of changes in stratum corneum keratin in wrinkle formation… - [Link]
[26] Beneficial Effects of a Sulfur-Containing Supplement on Hair and Nail Condition - [Link]
[27] Beauty from within: Oral administration of a sulfur-containing supplement methylsulfonylmethane improves signs of skin ageing - [Link]
[28] https://econtent.hogrefe.com/doi/full/10.1024/0300-9831/a000643 - [Link]
[29] Nicotinic acid/niacinamide and the skin - [Link]
[30] A.G. Schneiderman Asks Major Retailers To Halt Sales Of Certain Herbal Supplements As DNA Tests Fail To Detect.. - [Link]