A member asked:

How to apply vitamin c on face? and in how much quantity?

A doctor has provided 1 answer

Topical Vitamin C: . Topical vitamin c is sold in a wide range of products from serum to lotions. Look for products that contain between 3% and 10% of vitamin c . Apply topical vitamin c once a day, ideally after you’ve exfoliated in the morning to utilize vitamin c’s sun-protecting properties. On occasions, topical vitamin c can cause some mild dryness or flaking. Counteract this side effect with a moisturizer.

Answered 3/12/2018

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Do vitamin injections in the face last long?

A doctor has provided 1 answer