On the Mixing of Azelaic Acid and Vitamin C
The way of skin maintenance, the combination of various ingredients, is related to efficacy and comfort, and should not be careless. Today, whether azelaic acid and vitamin C can be mixed is a matter of urgent concern to skin care.

Azelaic acid is mild in nature, has antibacterial and anti-inflammatory properties, and can regulate keratin metabolism, which is beneficial for acne, pigmentation and other diseases. Its mechanism of action is to inhibit microbial protein synthesis, reduce the number of flora on the skin surface, and regulate the keratinization process of the hair follicle mouth, so that sebum excretion is smooth.

Vitamin C, a strong antioxidant. It can capture free radicals, resist oxidative damage to the skin, promote collagen synthesis, make the skin firm and elastic, and inhibit tyrosinase activity, reduce melanin production, and achieve the effect of whitening light spots.

As for whether the two can be mixed, from the perspective of chemical properties, azelaic acid is weakly acidic, and vitamin C is also an acidic substance. Although both are acidic, there is no risk of direct chemical reaction. However, in practical application, skin tolerance needs to be taken into account.

If mixed, it may be synergistic. Azelaic acid improves the skin microenvironment, and vitamin C antioxidant whitening. The two complement each other and may be more effective in improving skin dullness and blemishes. However, at the beginning of mixing, it is advisable to try it on a small area of skin before checking for any discomfort, such as redness, itching, tingling, etc. If the skin tolerates it well, the scope of use can be gradually expanded.

In short, the mixing of azelaic acid and vitamin C has synergistic benefits in theory, but the actual operation must be cautious, and skin adaptation is the key, so as to achieve the ideal skin care effect.