The benefits of supplying vitamin A

However, some scientists believe
that vitamin A compounds can stimulate the immune system against tumor. The
palmitic acid retinyl ester can produce 100 times stronger anti-tumor effect than
the other pair of the tumor immune response to BCG. Therefore, some scientists
believe that vitamin A have the cancer preventive effect, this is perhaps one
of the most important discoveries in cancer prevention. But taking large doses
of vitamin A will lead to toxic reaction. So that scientists recommended that
the important issue is how to synthesize and screening new vitamin A
derivatives that no toxic effects, to prevent and treat cancer. With the social
development and the improvement of people’s living standards, a variety of
diseases also showed an upward trend, timely take preventive measures can help
friends away from the troubles of various diseases, especially the disease like
cancer, vitamin A in the prevention of tumor has great help, it also the human’s
indispensable vitamin.

In addition, vitamin A also has a great
help on skin. But vitamin A has many types, how to choose have a little
trouble. Whether we should use non-prescription vitamin A skin care products, or
buy vitamin A drugs under the dermatologist’s guidance?

Retinol is the intact vitamin A molecule,
it is a cosmetic
raw material
, used only in non-prescription products. Retinol can be
broken down into other forms of vitamin A, appears in skin care products or
prescription drugs. Prescription vitamin A drugs containing an ingredient
called vitamin A acid. Vitamin A acid is much more effective than retinol, but has
more possibility to cause skin irritation. No matter prescription or
non-prescription, various forms of vitamin A are playing the role of cell
communication factors. Which means they can command skin cells to work normally,
even make skin cells become more dynamic. If the skin damaged by sun, the role
of cell communication factor is huge, because after skin photoaging will
produce rigid, unhealthy, abnormal cells.

Vitamin A and vitamin A acid have a role on
promoting growth and can maintain normal epithelial, but partially coated
vitamin A actually does not work on the skin, oral administration of vitamin A
is good for skin diseases. Vitamin A acid topical applied to the skin has a
strong pharmacological properties, the topical vitamin A acid can improve the aging
skin due to exposure to the sun. Vitamin A acid to various skin diseases such
as acne, ichthyosis, pityriasis rubra pilaris, unusual warts have a significant
effect, can be used for the adjuvant treatment of psoriasis drugs. Eliminate
fine wrinkles, reduce skin roughness, reduce pigmentation, make the skin
becomes rosy.

Vitamin A acid is an intermediate product
of the metabolism of vitamin A, vitamin A in the formation of alcohol
metabolism into vitamin A aldehyde, then further turn into the vitamin A acid,
but vitamin methanol and vitamin A aldehyde can metabolic transform each other,
while vitamin A acid can not be restored to vitamin A aldehyde or alcohol. Less
than 0.025% of the vitamin A acid cold cream ointment used to treat acne,
facial rough and other diseases. 0.1% cold cream ointment used to treat lichen
planus, pityriasis, vitiligo and other skin diseases.

According to tretinoin
, topical use tretinoin should avoid the fold parts of the
thinner skin, and note that the concentration should not be too high (below 0.02%
is appropriate), in order to avoid the reaction of erythema, scaling, burning
sensation caused by the skin vascular violent expansion. To mild erythema peeling,
burning sensation, mild slight pain and other local irritation is a normal
reaction in the course of treatment, you should stick with, so that you can
achieve better efficacy. If the reaction is severeHealth Fitness Articles, should immediately stop.
Smear oily skin care products can ease the symptoms.


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