exfoliation
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AHA/BHA for Dry, Dull & Sensitive Skin: A Cosmetic Chemist’s Guide
Alpha hydroxy acids (AHAs) and beta hydroxy acids (BHAs) are exfoliating acids used to smooth texture, brighten dullness, and help unclog pores. AHAs like lactic and glycolic acid are water-soluble and work on the skin’s surface; BHAs like salicylic acid… Continue reading
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Everything You Need to Know About Salicylic Acid for Oily, Blackhead‑Prone & Sensitive Skin
Salicylic acid (SA) is a beta hydroxy acid (BHA) originally derived from willow bark but now produced synthetically for purity and consistency. It’s a cornerstone ingredient for oily and blackhead‑prone skin because it targets the root of comedones: sticky, compacted… Continue reading
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Everything You Need to Know About AHA/BHA for Combination, Blackhead‑Prone & Sensitive Skin
Alpha-hydroxy acids (AHAs) and beta-hydroxy acids (BHAs) are exfoliating acids used to smooth texture, brighten tone, and keep pores clear. AHAs like glycolic, lactic, and mandelic acids are water‑soluble surface exfoliants that help with dullness, uneven texture, and fine lines.… Continue reading
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How to Use AHA/BHA Without Irritation: A Week-by-Week Exfoliation Plan for Oily, Congested, Sensitive Skin
Alpha-hydroxy acids (AHAs) and beta-hydroxy acids (BHAs) are chemical exfoliants that loosen and lift dead cells so skin looks clearer, smoother, and more even. AHAs like glycolic, lactic, and mandelic acid are water‑soluble surface exfoliants; BHAs like salicylic acid are… Continue reading
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Why PHA Toners Are a Gentler Exfoliant for Oily, Sensitive, Acne‑Prone Skin — and the Best Under $20 Picks to Try
If your skin is oily, reactive, and prone to breakouts, classic exfoliants like glycolic or salicylic can be a tightrope walk — smooth one day, stingy the next. That’s where PHAs (polyhydroxy acids) come in. They’re larger‑molecule exfoliants (think gluconolactone,… Continue reading
