




Fades Dark Spots, Post-Acne Marks & Pigmentation Overnight
A leave-on 2% Kojic Acid serum that fades dark spots, post-acne marks and pigmentation overnight. Inhibits the enzyme behind melanin production during the skin's peak renewal cycle — results visible in 4–6 weeks.
"My dark spots have faded significantly. Worth every rupee. — Ayesha" —
Skin Type: All skin types.
Targets: Pigmentation, post-acne dark marks, and sun-induced tanning or unevenness.
Suited to: Ages 18+.
About tanning specifically: Sun-induced tanning is caused by the same melanin overproduction mechanism as dark spots — Kojic Acid's tyrosinase inhibition works on both. Existing tan fades gradually with consistent evening use, while daily SPF prevents new tanning from UV exposure.
Patch test recommended if you have: very sensitive or reactive skin — patch test on your inner arm for 48 hours before full face use.
Do not use on: open wounds, active sunburn, or broken skin.
Consult your doctor before use if: you are pregnant or breastfeeding.
Best used alongside: SPF 50 every morning (non-negotiable) and Vitamin C Serum for complementary daytime pigmentation control. Avoid combining with Retinol or other exfoliating acids on the same night — this serum contains Mandelic Acid, a gentle AHA.
STEP 1
Cleanse in the evening — ideally with the Kojic Acid 2% Face Wash for a first-pass dose of the same active.
STEP 2
Apply 2-3 drops of Kojic Acid Serum to clean, dry skin. Gently pat until fully absorbed. Allow 60-90 seconds before your next step.
STEP 3
Follow with a moisturiser to support your skin overnight while the serum works.
STEP 4
In the morning, apply Vitamin C Serum and finish with SPF 50 Sunscreen without exception. Kojic Acid increases UV sensitivity, and Pakistan's UV index of 8-11 means new pigmentation can form faster than existing spots fade without daily sun protection.
When to Use: Evening only. This is a leave-on overnight treatment, not a twice-daily product. Use nightly for best results.
Common mistake to avoid: Using this serum in the morning as well as at night, thinking more applications mean faster fading. Kojic Acid works during the skin's overnight repair cycle — daytime use adds no benefit and increases irritation risk, especially without the tyrosinase-inhibiting synergy that pairs it with nighttime cell renewal.
Tip: Contains Mandelic Acid, a gentle AHA exfoliant. Avoid combining with Retinol or other exfoliating acids on the same night — alternate nights instead (for example Kojic Acid Serum Mon/Wed/Fri, Retinol Tue/Thu) to avoid stacking irritation.
SkinFactor's 2% Kojic Acid Serum is a leave-on evening treatment that targets the biological mechanism behind dark spots, post-acne marks, and pigmentation at the source. Applied to clean skin each evening, it inhibits tyrosinase — the enzyme that converts UV exposure, inflammation, and hormonal signals into concentrated melanin deposits — throughout the skin's overnight repair cycle. Consistent evening use over six to eight weeks produces measurable fading of established dark spots and visible improvement in overall skin tone.
Why a leave-on serum outperforms a face wash for pigmentation treatment:
A kojic acid face wash delivers active contact for 60 seconds before rinsing. A kojic acid serum stays on the skin for eight or more hours overnight — providing sustained tyrosinase inhibition during the skin's peak cell renewal cycle, when hyperpigmented surface cells are being shed and replaced most rapidly. The serum is where the meaningful fading work happens. The face wash at the cleansing step adds a first-pass dose that compounds the serum's overnight treatment.
Why 2% is the effective concentration:
Kojic acid in leave-on formulations produces clinically documented brightening results at concentrations of 1% to 4%. At 2% — the concentration in this serum — it is within the effective range while remaining appropriate for daily use without the irritation risk that higher concentrations carry for sensitive or reactive skin. Products with undisclosed concentrations or concentrations below 1% may not deliver meaningful tyrosinase inhibition at the dose the skin receives.
The Pakistani pigmentation picture:
Pakistan's UV index of 8 to 11 for most of the year is the single largest driver of new pigmentation. UV triggers melanocyte overactivation daily — each day of unprotected exposure generates new dark spots alongside the existing ones being treated. For Pakistani skin, kojic acid evening treatment works most effectively when paired with daily SPF in the morning — the serum fades existing spots while SPF prevents new UV triggers from forming them. Without SPF, new pigmentation forms faster than kojic acid can address existing deposits.
Post-acne hyperpigmentation — the flat dark marks left after breakouts — responds particularly well to kojic acid because the inflammation that triggered the melanocyte overactivation is no longer active. There is no ongoing trigger to overcome — only existing melanin to fade as the skin's natural turnover cycle replaces hyperpigmented surface cells. Recent PIH (under three months old) responds faster than older established marks, but consistent use produces visible improvement on both.
What makes this the best kojic acid serum for Pakistani skin:
Formulation stability matters as much as concentration for kojic acid. Kojic acid oxidises readily — a degraded serum delivers reduced activity and can cause irritation without benefit. SkinFactor's formulation and packaging are designed to maintain active stability over the product's lifespan — and the short local supply chain means the product reaches Pakistani consumers without the weeks of transit in high-temperature shipping conditions that degrade imported alternatives before they are opened.
How to use:
Apply a pea-sized amount to clean, dry skin in the evening after cleansing. Allow 60 to 90 seconds to absorb before applying moisturiser. Use nightly. Wear SPF 50 every morning without exception — kojic acid increases UV sensitivity and Pakistan's UV conditions make daily sun protection non-negotiable during treatment.
Complete the routine:
For maximum pigmentation fading results, pair with the Kojic Acid 2% Face Wash at the cleansing step and 10% Vitamin C Serum in the morning — kojic acid inhibits melanin production at the tyrosinase level in the evening, vitamin C inhibits it through a complementary pathway and neutralises UV triggers during the day. The Anti-Pigmentation Kit combines the key products at a reduced price.
For the complete anti-pigmentation routine — morning and evening steps, combination with vitamin C and niacinamide, and week-by-week results timeline — read the complete kojic acid guide for Pakistani skin and the full anti-pigmentation routine.
Kojic Acid and Mandelic Acid work through your skin's peak repair cycle to treat pigmentation other products can't reach.
Sustained overnight treatment produces deeper results than daytime use.
Most pigmentation responds within this window with consistent nightly use.
Combined tyrosinase inhibition from Kojic Acid and Vitamin C.
| Timeframe | What Changes |
|---|---|
| Week 1-2 | Skin adjusting to nightly use. |
| Week 3-4 | Initial brightening becomes visible. |
| Week 6-8 | Significant fading of dark spots and tanning. |
| What Affects Results | SPF 50 every morning is essential — unprotected sun exposure creates new pigmentation faster than this serum can fade it. |






