Ingredient X-ray
Lactic Acid
An alpha-hydroxy acid with a larger molecule than glycolic — it exfoliates the surface more gently and doubles as a humectant, so it suits AHA beginners and drier skin.
ExfoliantHydratingWater-soluble
Stated strengths run 2% across the catalogue.
Ease into it
Like every AHA it raises sun sensitivity — the US FDA's AHA guidance says wear sunscreen during use and for a week after. Daily SPF, no exceptions.
Don’t layer with Retinol, Salicylic Acid, Glycolic Acid
Why, and what it does pair with, in the layering drawer.
4 products carry Lactic Acid
FoxtaleExfoliating Body Scrub with 2% Lactic Acid2%₹4.7/g
FoxtaleExfoliating Body Wash with 2% Lactic Acid2%—
mCaffeine1% Salicylic & Lactic Acid Caramel Crunch Soap - 300g (3x100g)Not stated—₹1.5/g
The Derma Co3% Vitamin E Face Moisturizer With Vitamin E & Lactic Acid - 100gNot stated—₹3.5/gLayering — what it pairs with, what it fights
✓ Hyaluronic Acid — layers hydration onto an acid that already attracts water.
! Retinol — two resurfacing actives over-exfoliate — alternate nights.
! Salicylic Acid — doubling up acids multiplies irritation.
! Glycolic Acid — two AHAs at once is more irritation, not more glow.
What the evidence says — 3 papers
Summaries are ours, written from the abstract. Caveats kept.
Keratosis Pilaris Unveiled: Insights into its Origin, Management Strategies and Research Frontiers ›
How we compute the grade and the value
Grade B: 2 of 4 print a strength. One question — did the brand print it? Honesty, not quality.
Concentration bands: 5% mild · 8% active · 10% home max. typical top 10%.