June 1996 in “Journal of Dermatological Science” Vitamin D3 applied to mouse skin caused more wrinkles and sagging due to changes in the skin's outer layer.
June 1996 in “Journal of Dermatological Science” Two new compounds were found that could promote hair growth as well or better than minoxidil.
10 citations,
November 2014 in “Journal of Dermatological Treatment” Polyphenols may help treat skin conditions like warts, hair loss, acne, and dark spots, but more research is needed.
10 citations,
July 2011 in “Springer eBooks” Carboxytherapy can improve skin conditions with few side effects, but results may vary and are not guaranteed.
78 citations,
September 2008 in “International Journal of Cosmetic Science” The document concludes that various clinical methods are used to assess ageing skin and the effectiveness of anti-ageing products.