- L-Ascorbic Acid10.0%
- Niacinamide5.0%
- Ferulic Acid0.5%
- Hyaluronic Acid1.0%
- Formula pH3.4
Stabilised at lab-active concentration. Bronze glass blocks light degradation.
Skincare, engineered for men
Four actives. One serum. Visible change in weeks — with the numbers printed on the front.
The lineup
Hover or tap any product to read the back of the bottle.
Stabilised at lab-active concentration. Bronze glass blocks light degradation.
Low-foam, low-pH. Won't strip the barrier your routine just rebuilt.
Locks in actives without occlusive feel. Built for Indian humidity.
Mineral + organic hybrid. No greasy finish, no white cast on Indian skin tones.
Why Thero
Stat 01 / Concentration
Stabilised Vitamin C
Lab-active concentration. Most men's serums hide behind “contains Vitamin C.” We publish the percentage.
Stat 02 / Actives
Actives per formula
Vitamin C, niacinamide, hyaluronic acid, ferulic acid — each chosen for a reason you can read.
Stat 03 / Subtractions
Fragrance · sulfates · drama
Skincare that does its job and gets out of the way. Dermatologist-tested, fragrance-free, cruelty-free.
The active
Stabilised at 10%. Most brands won't say the number. We print it on the front.
The journal
Ingredients · 4 min
Why Vitamin C stings — and how to fix it
The pH problem nobody explains, and the simple fix that lets you actually use the actives you paid for.
Read →Routine · 5 min
The case against 12-step routines
More products doesn't mean better skin. What most dermatologists actually do at home — and why.
Read →Men · 6 min
Post-shave dark marks: what actually works
Why your jawline doesn't match the rest of your face — and the routine that fixes it in six weeks.
Read →