Luxury skincare serums and dropper bottles arranged on minimalist white surface with soft lighting
10% Niacinamide + Zinc Current Top Pick • Oily Skin
pH 5.5 ± 0.2 Concentration: 10% Stability: 12 mo. Tested: 847 formulas
Evidence-Based Skincare

Most serums are
90% water.
We find the other 10%.

We decode INCI lists, cross-reference clinical studies, and pH-test formulas so you don’t accidentally destroy your moisture barrier with a trendy acid that doesn’t even penetrate.

4-Week Minimum Testing
pH Verified Formulas
No Sponsored Rankings
Full Ingredient Disclosure
Build Your Protocol

A routine is chemistry.
Order matters.

Layering a pH 3.0 Vitamin C under a pH 7.0 moisturizer isn’t “mixing actives”—it’s neutralizing them. We organize products by function, not by what fits in a flat-lay photo.

Holy Grail Rotation

What We’re Actually Using

Updated: January 2025
Find Your Protocol

Your sebum production isn’t a personality. It’s chemistry.

We organize recommendations by skin type because a 2% Salicylic Acid that controls your T-zone will annihilate someone with compromised barrier function. Context matters.

The Formula

Weekly ingredient breakdowns.
No affiliate-driven rankings.

We dissect one ingredient per week: mechanism of action, optimal concentration, pH requirements, and what the clinical studies actually measured (hint: usually not “glow”).

One email per week. No “deals” or “exclusive offers.” Just data.

847
Products Tested
4+
Weeks Per Test
12
Skin Concerns
0
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