"We demonstrate that aggressive non-ablative microdermabrasion (not involving destruction of skin tissue) is an effective procedure to stimulate collagen production in human skin in vivo," the researchers write.
In Vitro: From the Latin meaning in the living body. In vitro tests do not involve the use of living vertebrate animals. Note: In vivo studies are conducted using animals.
There is convincing research, both in vitro (in a test tube) and in vivo (on a live subject), showing kojic acid to be effective for inhibiting melanin production (Source: Archives of Pharmacal Research, August 2001, pages 307-311).
Idebenone not only possesses antioxidant properties but also has the ability to decrease collagen breakdown, which means less apparent wrinkles and lines. Idebenone also appears to counter inflammation on skin. In vivo studies showed: ...
 See also: Health, Moisturizer, Milk, Chemical, Inflammation
  
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