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Vitamin C and potassium hydroxide

Vitamin C and potassium hydroxide: keep them apart

Keep them apart

Use them at different times of day with vitamin C first, because mixing them makes the vitamin C spoil and stop working. Potassium hydroxide ruins the acid balance that vitamin C needs to stay fresh and active on your skin. You can easily fix this by applying them hours apart or on separate days.

Questions and answers

Can you use vitamin C and potassium hydroxide together?

Keep vitamin C and potassium hydroxide apart because combining them can cause rapid breakdown of the vitamin C.

Which goes first, vitamin C or potassium hydroxide?

Keep vitamin C and potassium hydroxide apart in your routine because combining them can cause rapid breakdown of the vitamin C.

Are vitamin C and potassium hydroxide good for sensitive skin?

Keep vitamin C and potassium hydroxide apart because they counteract each other and destabilize the formula. Lovi rates the combination as poor for sensitive skin due to potential irritation from high pH bases.

Research on vitamin C and potassium hydroxide

Behind this pairing advice

Lovi checks every pairing with brand-independent rules our dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update.

How does it fit your skin?

Scan your face, then any product: Lovi shows how well it fits you and what fits even better.