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INCI: Ascorbic acid and derivatives (such as Sodium Ascorbyl Phosphate)
Origin: Synthetic or natural
Natural sources:
Fruits: citrus fruits (orange, lemon, grapefruit, etc), kiwis, blackcurrants, strawberries, ...
Vegetables: broccoli, red peppers, etc
Skin types :
Dull skin
Mature skin
History & Discovery :
**XVIIIth century: Sailors who sailed long distances - and didn't have access to consume enough fruits often suffered from scurvy (a serious disease that can go as far as causing tooth loss). An English naval doctor, James Lind, established a correlation between the consumption of citrus fruits and curing scurvy. He confirmed this hypothesis with the first "clinical trial" in the history of mankind.
1928: Vitamin C was isolated from lemon juice by Albert Szent Györgyi, who received a Nobel Prize for this discovery. Scurvy was therefore due to a vitamin C deficiency.
1933**: a Polish chemist, Tadeusz Reichstein, invented a process for synthesizing vitamin C from glucose.
Chemical family:
Crude Formula: C6H8O6 L-ascorbic acid is the active form
Glucose-derived sugar
Solubility:
Hydrophilic (water-soluble)
Cosmetic properties:
ANTIOXIDANT: Traps free radicals.
COMPLEXION BRIGHTENING/ BALANCING: Diminishes brown spots by inhibiting the production of melanin.
STIMULATES COLLAGEN SYNTHESIS: slows down the appearance of signs of ageing.
IMPROVES HEALING: accelerates cell renewal.
Cosmetic indications :
Dull complexion
Photo ageing
Brown spots
Signs of age
Loss of elasticity
Scars
Did you know?
Vitamin C is a particularly unstable ingredient which makes it difficult to formulate. In the cosmetics industry, it's preferable to use ascorbic acid derivatives like sodium ascorbyl phosphate.
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