01Glycolic acid
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Glycolic acid is known for its deep cleansing and exfoliating properties which gently remove dead skin cells and dirt from your skin without disturbing the natural pH balance. It also encourages skin cell turnover and collagen production. This acid is naturally found in sugar, but can also be created artificially. It is commonly found in facial peels and other gentle everyday products such as face washes to get rid of pigmentation and uneven skin tone.
02Salicylic acid
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While glycolic acid is an AHA, salicylic acid is a BHA, meaning it binds to oil particles and not water. BHAs penetrate deep into the skin and dissolve any build-up of dead skin, dirt, bacteria and oil, making them perfect for oily or acne-prone skin. Because of its exfoliating properties, you should be careful while using salicylic acid as it can leave your skin feeling dry and sensitive to the sun. It is recommended to use this acid in the evening. Night creams and serums are usually infused with salicylic acid.
03Hyaluronic acid
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One of the most commonly used acids in skincare, you may have heard about hyaluronic acid from a lot of people in the beauty industry. It naturally occurs in our body, however, as we age the production of this acid decreases, making our skin look dull and lifeless. Introducing products that contain hyaluronic acid can replenish your skin's moisture and make it look plump and hydrated.
04Niacinamide
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As much as your skin needs hydration and cleansing, it also requires a barrier to protect itself from external irritants, and niacinamide does exactly that. It helps repair your skin's natural barrier by boosting collagen production. Look for serums that are infused with niacinamide and use them in your nighttime skincare routine.

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