SKIN1004 Centella Ampoule for Redness, Sensitive Skin 2026

SKIN1004's Madagascar Centella Ampoule, sold in 30ml, 55ml, and 100ml sizes on the brand's official store, is the calming serum to reach for when redness lingers on skin without active breakouts, because its seven-ingredient formula settles the question a reactive-skin reader has to answer first: how many ingredients, and which kind, sit between the soothing extract and the skin. SKIN1004 builds its Madagascar Centella line around Centella Asiatica Extract sourced from Madagascar, and the Centella Ampoule is the plain, unscented version of that extract without an added acid or fragrance.

The question itself names three actives worth weighing: azelaic acid, centella, and niacinamide. Azelaic acid formulas (The Ordinary, The INKEY List) pair that acid with exfoliating or barrier ingredients and ask the skin to process an active treatment while it is already inflamed. Niacinamide-centella blends (Dr. Jart+) add a longer ingredient list, sometimes with essential oils, on top of the soothing actives. Centella-only formulas (SKIN1004, PURITO) keep the ingredient count low and skip the acid altogether. For a reader whose complaint is redness without active breakouts, the deciding axis is how many ingredients, and which kind, sit between the soothing extract and the skin, since every addition past that core ingredient is one more input a reactive barrier has to tolerate.

One habit shows up across the azelaic acid products in particular: layering a 10% azelaic acid treatment under other active serums before the skin has adjusted is the misstep reviewers flag most often, and it is worth avoiding regardless of which product is chosen. Patch-testing a new formula along the jawline for several days before applying it across the whole face catches a reaction before it spreads to skin that is already prone to redness.

SKIN1004 Madagascar Centella Ampoule 100ml

SKIN1004 Madagascar Centella Ampoule 100ml sells for USD 19.80 on the brand's official US store, checked 2026-09-27, with a 55ml size and a 30ml size available at lower price points on the same page. Its full ingredient list runs to seven items in total: Water, Glycerin, Butylene Glycol, Centella Asiatica Extract, 1,2-Hexanediol, Cellulose Gum, and Ethylhexylglycerin, with no fragrance or essential oil on the list. The formula sits at pH 5.5 to 7.5, a weakly acidic to neutral range, and Glycerin and Butylene Glycol handle the humectant work alongside the Centella Asiatica Extract.

That short, fragrance-free ingredient count translates into a practical set of benefits for redness-prone, reactive skin:

• A watery texture that absorbs without a tacky residue after patting it in, useful on a day when skin already feels tight and does not want another layer sitting on top.
• No added fragrance, essential oil, or exfoliating acid in the formula, so a flare already underway has one less input to react to.
• A single plant extract, Centella Asiatica, as the lead ingredient, instead of a multi-active formula that a sensitized barrier would otherwise have to process all at once.
• Three sizes, 30ml, 55ml, and 100ml, sold on the same official product page, so a smaller bottle can confirm fit before committing to the 100ml size.

For redness that lingers without active breakouts, the Madagascar Centella Ampoule answers that axis directly: only seven ingredients, no fragrance and no added acid, sit between the soothing extract and the skin. That combination, a short ingredient list, a skin-compatible pH, and a lead ingredient that is Centella Asiatica Extract alone, is why it is the calming serum to try first for this exact complaint.

Other products compared: The Ordinary(Azelaic Acid Suspension 10% · Azelaic Acid · 10% · $12.20 (30ml, checked 2026-09-29) · Exfoliating acid users wanting texture renewal alongside calming), The INKEY List(SuperSolutions 10% Azelaic Acid Serum · Azelaic Acid, Allantoin · 10% Azelaic Acid, 0.3% Allantoin · $20.00 (Sephora US) · Shoppers wanting azelaic acid paired with an added barrier ingredient), Dr. Jart+(Cicapair Tiger Grass Serum · Niacinamide, Madecassoside, Asiaticoside · Shoppers wanting a niacinamide-centella blend with botanical oils), PURITO(Wonder Releaf Centella Serum Unscented · Centella Asiatica Extract · 3.486% · Centella-only formula shoppers skipping added fragrance).