Since vitamin A was found in 1915, most of
them were used in oral health food, the familiar vitamin A health care products
can help the eyes, cells and bones growing and strengthening; in addition,
vitamin A can also act on the maintenance of the skin.
Mature skin because of the collagen loss,
easy become too dry and wrinkling, so that skin care products containing
vitamin A, can help the skin not to oxy-genated, scavenging free radicals and
promote collagen protein producing; However, these effects mentioned above can play
their effect, must be waited for vitamin A through the epidermis, penetrate
into the dermal layer, therefore, cosmetic raw material suppliers will cover
up vitamin A with special technology, after skin care products enter into the
dermis layer, then release the vitamin A, to achieve the purpose of anti-aging,
mechanism: stimulate producing collagen protein, make the original aging
wrinkles filled up by newborn collagen protein; increase fiber glass acid content
in the dermal layer, help the skin retain more moisture; Long-term apply skin
care products containing vitamin A derivatives, while in the rejuvenation of
the skin, will more effective to fight against damage and reduce the
probability of mature skin acne.
The dermis layer located below the
epidermis, the main function is like a sponge pad or spring pad, can soft and
sturdy to shore up the epidermis. The dermal layer contains collagen, elastic
fibers and fiber glass acid, wherein collagen is an important cornerstone for
maintaining skin elasticity and firmness, fiber glass acid is responsible for
maintaining skin moisture.
If vitamin A made skin care products, will include the vitamin A acid, also know as
tretinoin, which we are the most familiar, or we are less heard such as vitamin
A alcohol, vitamin A ester or vitamin A aldehyde (these three vitamin A
derivatives, although their function are weaken than vitamin A acid, but with
higher stability), without special treatment, applied in the facial skin, will
directly act on the epidermis, can firm the skin, make the skin become smooth
and reduce oil secretion; However, for mature women, sebaceous grease decline
will only make the skin becomes dry and water shortage, if use the wrong
products, and painting every day, the result is to produce more wrinkles.
Vitamin A alcohol with highest stability, although
the efficacy of applying on the skin is not immediately like the vitamin A acid,
but the stability of its type, can penetrate the dermal layer to stimulate cell
growth, have the function of repairing skin. In accordance with tretinoin
manufacturer, Vitamin A acid belongs to drugs, must be used under the
direction of physician.
Skin care products containing vitamin A, should
first pay attention to the design of the bottle, the bottle sealing should be small
and the bottle can not be transparent, so as to reduce the probability of
vitamin A be oxidized and deteriorated, in addition, due to vitamin A through
sun exposure will have the effect of anti-triad, therefore, apply vitamin A during
the day, should really do well the sunscreen work.