Choose the quantity you need; pack contents are described in the product details.
IT Cosmetics
IT Cosmetics Bye Bye Dark Spots Niacinamide Serum 1 fl oz — 4% Niacinamide & 1% Ethyl Vitamin C
Check the exact product, pack and directions before ordering
Available to order with free standard UK delivery.
Free standard UK delivery with no minimum order.
Free shipping
iFree standard UK delivery. See shipping estimates and tracking details in our shipping policy.
Easy returns
iContact us for a free return label for eligible items within 30 days.
Peak-demand shipping delays
iDuring high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.
Email customer support
Email us about products, delivery or returns. We aim to reply within one business day.
Terms quick view
30-day returns for eligible items; see the return policy.
Orders include free shipping. Returns and service terms may vary by item eligibility and destination.
Product details
IT Cosmetics Bye Bye Dark Spots 4% Niacinamide Serum is a targeted daily treatment that combines 4% niacinamide with 1% ethyl vitamin C to visibly reduce dark spots and improve overall skin clarity in weeks.
Designed as a concentrated yet gentle facial serum, this formula pairs a proven niacinamide concentration with a stable vitamin C derivative to address hyperpigmentation without compromising skin tolerance. The lightweight serum absorbs quickly and works morning and night when layered under sunscreen or a moisturizing treatment. It’s dermatologist-tested and created for compatibility across a range of skin types, including sensitive skin.
How quickly will I see improvements in dark spots and skin tone?
Visible changes can appear within several weeks of consistent use, with more pronounced improvement around the eight-week mark when used as directed. Individual results vary based on spot depth, skin type, and adherence to twice-daily application.
- Recommended routine: 4–5 drops AM and PM after cleansing.
- Expect progressive fading; monitor by weekly photos for best comparison.
- Combine with daily SPF to protect results during the day.
Why are niacinamide and ethyl vitamin C used together in this serum?
Pure vitamin C and niacinamide can be difficult to stabilize together, so this serum uses a bioavailable ethyl vitamin C derivative that remains effective alongside niacinamide. The pairing supports more even tone by addressing discoloration and enhancing overall clarity while keeping the formula skin-friendly.
- 4% niacinamide: helps support balanced tone and texture.
- 1% ethyl vitamin C: a stable, skin-compatible vitamin C derivative.
- Formulated to minimize irritation while targeting discoloration.
How should I incorporate this serum into my morning and evening skincare?
Apply 4–5 drops to clean face and neck, avoiding the eye area, both morning and night. In the morning follow with a broad-spectrum sunscreen or an SPF-containing CC Cream; at night seal with a moisturizer to support barrier recovery and hydration.
- AM: cleanse → Bye Bye Dark Spots serum → SPF or IT Cosmetics CC Cream.
- PM: cleanse → serum → moisturizer such as a gel cream for hydration or oil control.
- Consistency is key: use daily to maintain results and prevent new discoloration.
Is this serum suitable for sensitive or acne-prone skin?
The formulation is dermatologist-tested and crafted to be gentle enough for a range of skin types, including sensitive skin. Because it uses a stabilized vitamin C derivative at a moderate concentration alongside niacinamide, it aims to deliver results without aggressive irritation common to some potent actives.
- Non-harsh concentrations intended for tolerability.
- Patch-test new use if you have a history of reactive skin.
- Pair with soothing moisturizers if dryness or mild sensitivity occurs.
Who is this for: IT Cosmetics Bye Bye Dark Spots serum is ideal for anyone bothered by uneven pigmentation—such as age spots, post-inflammatory dark marks, and melasma—who wants a practical, daily treatment that fits into a standard AM/PM routine. It’s suited to users seeking an approachable strength of active ingredients that balances effectiveness with gentleness, and to those who will commit to consistent application and sun protection to support lasting clarity.
Ingredients
AQUA / WATER / EAU, PROPYLENE GLYCOL, GLYCERIN, NIACINAMIDE, PEG/PPG/POLYBUTYLENE GLYCOL-8/5/3 GLYCERIN, HYDROXYPROPYL TETRAHYDROPYRANTRIOL, CAFFEINE, 3-O-ETHYL ASCORBIC ACID, CITRIC ACID, PHENOXYETHANOL, PPG-6-DECYLTETRADECETH-30, SALICYLIC ACID, XANTHAN GUM, SODIUM CITRATE, HYDROXYETHYLCELLULOSE, POTASSIUM HYDROXIDE, DISODIUM EDTA, LIMONENE, GERANIOL, CITRONELLOL, TOCOPHEROL, PARFUM
FAQ
Q: Can I use this serum with other active ingredients?
A: Yes, it pairs well with many actives; avoid layering multiple strong exfoliants at once and always follow with sunscreen in the morning.
Q: How often should I apply the Bye Bye Dark Spots serum?
A: Use 4–5 drops twice daily—after cleansing in the AM and PM—to see optimal results over several weeks.
Recently viewed products
Product quick view
Product
Added to cart





