Vitamin C is a very unstable vitamin and any exposure to heat, light or air will degrade it very quickly. Therefore it’s vital to choose the most stable type of vitamin C possible.
Read more about Vitamin C here and how it can help us here
In a nutshell, Vitamin C can reduce the effects of aging and damage in several ways:
(source), (Cosmeticscop)
•Stimulates collagen
•Stimulates elastin
•Maintains cellular integrity
•Acts as an antioxidant to fights free radicals
•Naturally exfoliates skin
•Prevents redness and inflammation even after sun exposure
•Kills bacteria
•Wound healing and reduce inflammation
•Protect skin cells and skin’s support structure from UV-related damage
•Improve the appearance of sun-damaged skin
•Strengthen skin’s barrier response
•Enhance effectiveness of peels and microdermabrasion
•Lessen hyperpigmentation (at levels of 5% or greater)
•Boost the efficacy of sunscreen actives
Magnesium Ascorbyl Phosphate, (MAP) is a water soluble derivative of vitamin C with a collagen boosting effect. It is able to increase collagen production but is effective in lower concentration. This type of vitamin C is much more stable than the pure vitamin which means it does not degrade as fast. It is so gentle, it can be safely used on sensitive skin. To protect MAP from degrading and oxidizing it is best to store it in a dry place away from sunlight.
L-ascorbic acid is a natural form of vitamin C which must be properly stored as L-ascorbic acid oxidizes very quickly when exposed to sunlight and air and can be very irritating to certain skin types. It is water soluble and easily absorbd by the skin. It is recommended by professionals that if you do not know the correct way of using L-ascorbic acid, it's best to stay away from it. L-ascorbic acid is not suitable for those with rosacea or sensitive skin.
Ascorbyl Palmitate is similar to the MAP type of vitamin C, but does not work quite as quickly or quite as effectively as the former. It is a fat-soluble antioxidant and is at least as effective as vitamin E in protecting the skin from lipid peroxidation (a key type of free radical damage in the skin).
Ascorbyl Palmitate, much like L-ascorbic acid, must be carefully looked after and stored away from sunlight and air, as this form of the vitamin tends to degrade quite quickly. To be able to achieve the effects of collagen boosting with this type of vitamin, you must use it a lot more frequently and in much larger doses than you would have to use with L-ascorbic acid.
Ascorbyl Methyl Silanol is a Vitamin C derivative which is more stable than L-Ascorbic Acid. However, its
not able to be absorbed into the skin easily and would not convert into L-Ascorbic Acid by the skin.
Ester-C is a trademarked name of Vitamin C where it contains Calcium Ascorbate.
Do note the harmful effects of using oxidized Vitamin C as it can increase the formation of free radicals.
Source : Ezinarticles, Smartskincare
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