Water supplement is also an important area of concern for anti aging skin care products. LL Regeneration System (LL Regeneration System) is developed by Bioforce USA, an enterprise in the United States. It is understood that the system uses the patented technology and biological and organic compound, Hypericum perforatum, echinacea, Shea oil, sesame oil and Eyebright extract. It is reported that the formula is mainly for dry skin over the age of 30, and consumers who need water, skin regeneration, skin vitality and skin elasticity are needed.
In a randomized double-blind placebo-controlled trial, 20 healthy volunteers with twelve sodium dodecyl sulfate (SLS), cause skin irritation, and then deposited with 15% of Hypericum perforatum extract cream, and with three kinds of vegetable oil painting, for seven consecutive days. The results show that the added skin moisture cream makes the hypericumperforatum subjects increased significantly, which is the best olive oil and sunflower oil; palm oil general effect, but still better than placebo.