Some of these chemicals are used to combat signs of aging.

The cosmetics are composed of a wide range of active and within these vitamins play a very important place.

The intake of vitamins through food is absolutely essential for many vital body reactions, explains Monica Llamas, scientific director of the Laboratories Skinceuticals. “However,” continues – when ingested have a general distribution for all organs, and functions that develop in them need not necessarily be the same as those which are topically.

In fact, vitamins reach the skin in last place, so it is not known whether it has received significant amounts of the same. Thus, when applied topically dissemination is not general but specific, and remain, forming a reservoir in the skin and acting on that level.

The vitamins most commonly used in cosmetics are the A, B5, C and E. However, due to its instability, are generally not applied as such in cosmetic formulations, but have been using these precursors.

“The precursors are molecules that after a series of reactions triggered in the body itself becomes the vitamin itself, qualifies Manuel Lopez, pharmacist and director of communications for Pierre Fabre. “The use of these precursors does not detract in any way the effectiveness of vitamins on the skin. Instead, they get the same activity but with better tolerability, as, for example, vitamin A, applied as such in the dermis, annoy and hinder their penetration, “concluded the expert.

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