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iS Clinical's hero product and the formulation that built the brand. A botanical multi-acid serum: mandelic acid (gentle AHA, suits sensitive skin), salicylic acid (BHA, acne-targeted), L-ascorbic acid (vitamin C, brightening), arbutin (tyrosinase inhibitor for pigmentation), bilberry + sugar cane + lemon + orange + maple extracts (multi-source AHA/BHA). The breadth is the differentiator: this serum addresses acne, hyperpigmentation, and early aging in a single application — which is why dermatologist offices stock it as the all-in-one cosmeceutical entry point.
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Active Serum by iS Clinical is formulated for acne-prone, combination, mature, normal skin. iS Clinical's hero product and the formulation that built the brand. A botanical multi-acid serum: mandelic acid (gentle AHA, suits sensitive skin), salicylic acid (BHA, acne-targeted), L-ascorbic acid (vitamin C, brightening), arbutin (tyrosinase inhibitor for pigmentation), bilberry + sugar cane + lemon + orange + maple extracts (multi-source AHA/BHA). The breadth is the differentiator: this serum addresses acne, hyperpigmentation, and early aging in a single application — which is why dermatologist offices stock it as the all-in-one cosmeceutical entry point.
The key active ingredients in Active Serum are Salicylic Acid, Vitamin C, Mandelic Acid. It's known for: multi-acid + arbutin formulation addresses acne, pigmentation, and aging simultaneously and gentle enough for sensitive skin despite the active load.
Yes, Active Serum targets acne, hyperpigmentation, fine lines. multi-acid + arbutin formulation addresses acne, pigmentation, and aging simultaneously
Active Serum retails for around $148, which places it in the premium range for serums. Check the "Where to Buy" section above for current retailer prices.
The main drawbacks to be aware of: pharmaceutical pricing ($148 for 30ml); L-Ascorbic Acid will oxidise — track expiration; selective distribution makes purchase harder than DTC brands.
A suggested daily routine featuring this product, with complementary picks.
Cleansing Complex
iS Clinical · cleanser
Gokujyun Premium Hyaluronic Acid Lotion
Hada Labo · toner
Vegan Kombucha Tea Essence
Dr. Ceuracle · essence
Active Serum
iS Clinical · serum
Reparative Moisture Emulsion
iS Clinical · moisturizer
Eclipse SPF 50+
iS Clinical · sunscreen
Reparative Moisture Emulsion
iS Clinical · moisturizer
