Your receipt, next
See what your skin is actually asking for.
Scan your skin for free and get a plain-English receipt with the evidence attached. No account needed.
Trend Receipts, by email
Occasional notes, no weekly blast. See our privacy page.
Routine Lab
Dark spots and uneven tone
A simple plan for stubborn marks: protect, brighten, and be patient.
midsensitivedark-marks
Morning
- 01AM · Step 1
Vitamin C
vitamin cSupports brightness and collagen; pairs with sunscreen.
Results in 6–12 weeks for tone.⚠ If you tingle, apply after moisturizer. - 02AM · Step 2
Sunscreen
zinc oxideThe main lever: prevents darkening and lets marks fade.
Results in Protects daily; fading over months.
Night
- 01PM · Step 1
Cleanser
Gentle wash to reset.
Results in Immediate. - 02PM · Step 2
Azelaic acid
azelaic acidAddresses marks and mild breakouts together.
Results in 8–12 weeks.⚠ Skip on retinoid nights if you feel sensitive. - 03PM · Step 3
Retinol (2–3 nights/week)
retinolSupports turnover and texture over months.
Results in 12+ weeks.⚠ Do not stack with strong acids. - 04PM · Step 4
Moisturizer
ceramidesComfort and barrier support.
Results in Immediate.
Weekly cadence
MTWTFSS
Results timeline
- Week 1
- Skin feels steadier; hydration up.
- Week 4
- First small changes in the mirror.
- Week 8
- A clearer pattern. Keep going.
- Week 12
- Judge the routine. Adjust one lever at a time.