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Beauty Breakdown: The 6 Different Acids In Skincare And How They Work

Hyaluronic acid. Glycolic acid. Salicylic acid. L-ascorbic acid. Poly hydroxy acid. Sometimes, choosing skincare products can make you feel like you’re back in chemistry class—you’re not entirely sure what each acid in your skincare does and you’re scared it might burn your face. Which is why we’re here to tell you exactly how each one of these ingredients can work for your skin and how to incorporate it into your skincare routine without burning your face.

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Hyaluronic Acid (HA)

Pros: This naturally-occurring substance draws in water from the environment to keep skin hydrated and plump. It can hold 1,000 times its weight in water, which makes it super hydrating. It’s also got antioxidant benefits—which means it keeps skin healthy in the face of UV damage and pollution.

Cons: When using it in dry climates or environments (like an airplane), you need to layer with other hydrating products because when used in those conditions, the HA molecules draw moisture from your skin instead of the environment—which makes it more dehydrated.

How to add it to your skincare routine: Add a booster like Skin Regimen 1.85 HA Booster, RM481 to your skincare routine. If you’re using vitamin C, retinol or alpha hydroxy and beta hydroxy acids, look for those with HA as a supporting ingredient.

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