The Garnier Charcoal Serum (Pure Active AHA+BHA & Niacinamide Charcoal Serum) contains exfoliating acids (AHA, BHA), niacinamide, and charcoal to target blemish-prone and oily skin. Possible side effects, as with many exfoliating serums, can include mild skin irritation, redness, sensitivity, and dryness, especially for those with sensitive skin or when overused[4]. Some users have reported that skin may peel, particularly when used in combination with sunscreen[7].
The manufacturer recommends avoiding the eye area and applying sunscreen daily during use, as products with exfoliating acids can increase sun sensitivity and risk of sunburn[1]. Overuse or layering with other strong actives may increase the likelihood of side effects such as irritation or peeling[7].
The product is dermatologically tested and suitable for all skin types, including sensitive skin; however, individual reactions can vary. Those with known allergies or sensitivities should check the ingredients list carefully. The serum does not contain common allergens, oils, parabens, silicones, or sulfates[6].
As with any skincare product, it is advisable to conduct a patch test before full application to minimize the risk of adverse reactions.
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