What form of vitamin C is the best?

What are the different types of vitamin C?

There are several different forms of vitamin C used in skin care products, some of them are water soluble, others are oil soluble, and some are both. A few of the most popular esters include tetrahexyldecyl ascorbate, ascorbyl glucoside, sodium ascorbyl phosphate, and magnesium ascorbyl phosphate. Arguably the most popular, potent and most researched form of vitamin C is ascorbic acid, or L-ascorbic acid.

What is the most stable, and unstable, form of vitamin C in skincare?

The most stable ascorbyl ester (meaning it doesn't degrade easily) is magnesium ascorbyl phosphate. Many of the other ascorbyl esters are highly stable—while ascorbic acid remains highly unstable and difficult to formulate with.

Does vitamin C help with brightening?

First and foremost, vitamin C is an antioxidant that can help minimize extrinsic aging caused by free radial damage. But it can also help with the overall brightness and luminosity of the skin, and is considered a skin lightener that helps reduce the hyperpigmentation you already have, while preventing new hyperpigmentation from being created. 

Do dermatologists recommend vitamin C serums?

Absolutely. Dermatologists and other skin professionals recommend vitamin C all the time because their benefits are so great!

Which type of vitamin C is best for skin?

Currently, ascorbic acid is the most studied form of vitamin C with ample proof of its efficacy in brightening, lightening and stimulating collagen. However, ascorbyl esters are being used more frequently do to their stability, tolerability sensitive skin types, and their emerging studies to back up their benefits. 

Some of the most promising ascorbyl esters are ascorbyl glucoside and tetrahexyldecyl ascorbate.

When is the best time to use vitamin C?

It is most often recommended to use vitamin C in the mornings, as it can actually boost the efficacy of sunscreen by helping protect the skin against UV damage.

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