Product Overview SkinCeuticals LHA Serum is a targeted corrective treatment designed for aging skin prone to breakouts. This lightweight, oil-free formula helps address both adult acne and visible signs of aging through a precise blend of exfoliating hydroxy acids and sebum-regulating ingredients. Formerly known as Blemish + Age Defense, this advanced serum combines LHA, salicylic acid, glycolic acid, and dioic acid to help reduce excess oil, prevent clogged pores, and refine uneven skin texture. With consistent use, the formula helps improve the appearance of fine lines, wrinkles, and discoloration while supporting clearer, smoother-looking skin. Ideal for oily and combination skin types, LHA Serum helps reveal a more refined and balanced complexion without leaving a greasy residue. Key Features 2% Dioic AcidA naturally derived ingredient that helps reduce excess sebum production and improve the appearance of acne-prone skin. 0.3% LHA (Capryloyl Salicylic Acid)A lipo-hydroxy acid that provides precise, cell-by-cell exfoliation to decongest pores and refine skin texture. 1.5% Salicylic AcidA beta-hydroxy acid (BHA) that penetrates pores to remove buildup, helping reduce blackheads and breakouts. 3.5% Glycolic Acid & 0.5% Citric AcidAlpha-hydroxy acids (AHAs) that exfoliate the skin’s surface to smooth rough texture and improve the look of fine lines. Oil-Free FormulaLightweight serum designed for oily and combination skin types without leaving residue. Dual-Action TreatmentTargets both blemishes and visible signs of aging such as wrinkles, uneven tone, and rough texture. Specifications Specification Details Brand SkinCeuticals Product Type Corrective Anti-Acne & Anti-Aging Serum Size 30 ml / 1 fl. oz. Key Actives 2% Dioic Acid, 0.3% LHA, 1.5% Salicylic Acid, 3.5% Glycolic Acid Skin Types Oily, Combination Skin Concerns Adult Acne, Blemishes, Aging, Fine Lines, Large Pores, Uneven Texture Usage Once or twice daily Why Choose LHA Serum? 1. Targeted Solution for Adult AcneUnlike traditional acne treatments designed for teenage skin, LHA Serum helps manage breakouts while respecting the needs of aging skin. 2. Helps Reduce Excess OilDioic acid helps regulate sebum production and minimize the appearance of clogged pores. 3. Improves Skin TextureA blend of exfoliating acids helps smooth uneven skin and refine the look of pores. 4. Dermatologist-Recommended FormulaFrequently recommended by skincare professionals for patients experiencing both acne and early signs of aging. How to Use Step 1: PrepAfter cleansing, ensure skin is clean and completely dry. Step 2: ApplyDispense 4–5 drops into your hands and gently apply to the entire face or targeted areas. Step 3: Layer AM RoutineCleanser → Antioxidant Serum → LHA Serum → Moisturizer → Sunscreen PM RoutineCleanser → LHA Serum → Moisturizer or corrective treatment Use once or twice daily depending on skin tolerance. FAQ Q: How soon will I see results?A: Many users notice smoother, clearer skin with consistent use over several weeks. Q: Can I use LHA Serum with retinol?A: Yes, but because both ingredients are active exfoliants, many skincare professionals recommend using LHA Serum in the morning and retinol at night. Q: Is a tingling sensation normal?A: A mild tingling sensation may occur due to the exfoliating acids in the formula. This usually subsides as the skin builds tolerance. Q: Can it be used as a spot treatment?A: Yes. LHA Serum can be applied to the entire face or used as a targeted treatment on blemish-prone areas.