Radiance+ Concentrate Face Serum with Watermelon & Niacinamide
A brightening concentrate serum using Niacinamide and Watermelon Extract as its core actives, targeting post-acne dark marks, excess sebum, and dull skin tone. Niacinamide appears early in the formula, consistent with a meaningful concentration, and has well-established evidence for reducing melanin transfer, controlling sebum, and minimising pore appearance. Watermelon (Citrullus Lanatus) Extract contributes Lycopene as an antioxidant and Citrulline as a skin-conditioning amino acid. The formula is fragrance-free, paraben-free, and acid-free, making it well-suited as a first active serum for beginners. The main limitation is the absence of publicly disclosed active concentrations, which makes independent verification of efficacy claims impossible.
- All Skin Types
- Skincare beginners
- Post-acne marks and dark spots
₹349 · ₹12/ml • Analysed 10 June 2026
Niacinamide's anti-PIH action addresses one of the most prevalent skin concerns across India's Fitzpatrick III-V skin, where post-acne dark marks are deeper and more persistent than in lighter skin tones. Watermelon Extract's Lycopene content is relevant for Indian skin facing high UV antioxidant demand year-round. This serum is well-suited as a first active serum for beginners who are not yet ready for acids, retinoids, or high-percentage Vitamin C. For users with established pigmentation or more persistent PIH, a dedicated brightening serum with higher active concentrations such as Alpha Arbutin, Kojic Acid, or tranexamic acid would deliver more measurable results. Always pair with SPF 50+ during the day when using Niacinamide.
This is a web evidence review, not a Clean Sheet certification. We checked the ingredient list, publicly available test reports, marketing claims, and formula logic using only public information available at the time of review.
At a glance
What was checked
Good
What was checked
Niacinamide has strong ingredient-level evidence for reducing pigmentation transfer, but the brand has not published a finished-product clinical brightening study for this serum with measurable endpoints.
Niacinamide's sebum-reducing effect is well-documented in published literature, but no finished-product sebometry or pore analysis study is publicly linked for this specific formula.
No Parfum, Fragrance, or identifiable scent-use essential oils appear in the published INCI list; this claim is confirmed.
The formula is fragrance-free and acid-free, which is consistent with this claim, but no HRIPT, patch test, or comedogenicity test result is publicly accessible to formally support it.
The breakdown
Public Evidence Score across 5 pillars. Open any row for the full rationale.
Ingredient SafetyExcellent
Clean allergen profile with a fragrance free formula.
Very clean safety profile based on publicly available INCI. No synthetic fragrance, no parabens, no SLES, no alcohol, no acids, no retinoids, no formaldehyde releasers identified. Watermelon Extract and Niacinamide are both exceptionally well-tolerated at cosmetic concentrations. Phenoxyethanol and Potassium Sorbate are the preservation system, both within permitted limits and appropriate for this formula type. Carbomer as a gel former is non-irritating at neutralised pH. No obvious regulatory flag found across the EU, India, ECHA, or IARC databases for any ingredient in this formula.
Formula LogicStrong
Niacinamide appears early in the ingredient list, consistent with a concentration capable of delivering its documented effects on melanin transfer, sebum production, and pore...
Niacinamide appears early in the ingredient list, consistent with a concentration capable of delivering its documented effects on melanin transfer, sebum production, and pore minimisation. Watermelon Extract contributes Lycopene (antioxidant) and Citrulline (skin-conditioning amino acid). Saccharide Isomerate adds NMF-level hydration depth. Sodium Hyaluronate and Trehalose provide surface moisture support. The formula is pH-adjusted with Citric Acid, but the working pH is not publicly disclosed. For Niacinamide, pH affects comfort and stability; without a published pH value, this cannot be fully confirmed from public data. The preservation system using Phenoxyethanol and Potassium Sorbate is identifiable and appropriate for a water-based leave-on serum.
Claims EvidenceGood
The full INCI list is published on the brand website.
The full INCI list is published on the brand website. Niacinamide has well-established published literature for melanin transfer inhibition, sebum regulation, and pore minimisation, so ingredient-level support for brightening and oil control claims is reasonable. However, no finished-product clinical brightening study is publicly linked by the brand. Watermelon Extract's brightening role at cosmetic concentrations is less clinically established than dedicated brightening actives. Active concentrations are not disclosed. The Radiance+ positioning is aspirational but the underlying ingredient rationale is broadly coherent.
Test TransparencyGrade CFair
No lab test reports, clinical study data, or ISO method documentation are publicly accessible for this serum.
No lab test reports, clinical study data, or ISO method documentation are publicly accessible for this serum. No brightening efficacy clinical result with method, sample size, and measurable outcome is published. No preservative efficacy test result is linked. The INCI is published in full (a positive), but no further evidence layer is in the public domain. Grade C reflects this accurately: testing likely occurred, but results are not visible.
Consumer ClarityStrong
Application instructions are clear and beginner-friendly.
Application instructions are clear and beginner-friendly. Skin type suitability is broad and stated. SPF pairing guidance is provided, which is important given Niacinamide's role in addressing sun-driven pigmentation. Active concentrations are not stated, which reduces the depth of information a more informed consumer can use to set expectations.
Ingredient list
Excellent
Ingredient list
| Ingredient |
|---|
Aqua |
1,3 Butylene Glycol |
Niacinamide |
PEG-12 Dimethicone |
Trehalose |
Hydroxyethyl Urea |
Citrullus Lanatus (Watermelon) Fruit Extract |
Sodium Hyaluronate |
Glycerin |
Avena Strigosa Seed Extract |
Lecithin |
Potassium Sorbate |
Citric Acid |
Saccharide Isomerate |
Phenoxyethanol |
Sodium Benzoate |
Sodium Polyacrylate Starch |
Disodium EDTA |
INCI order as declared on packaging. Position reflects approximate concentration (high to low).
Regulatory screen
Clear
Regulatory screen
No obvious public red flag found
No obvious public red flag found
No obvious public red flag found
No obvious public red flag found
No obvious public red flag found
No obvious public red flag found
No obvious carcinogenicity flag found
No obvious public red flag found
Not triggered
Not triggered
Flags are based on publicly available INCI only. Not a substitute for full regulatory compliance review.
Claims checked
Good
Claims checked
Niacinamide has strong ingredient-level evidence for reducing pigmentation transfer, but the brand has not published a finished-product clinical brightening study for this serum with measurable endpoints.
Mentioned only
Niacinamide's sebum-reducing effect is well-documented in published literature, but no finished-product sebometry or pore analysis study is publicly linked for this specific formula.
Mentioned only
No Parfum, Fragrance, or identifiable scent-use essential oils appear in the published INCI list; this claim is confirmed.
Evidence visible
The formula is fragrance-free and acid-free, which is consistent with this claim, but no HRIPT, patch test, or comedogenicity test result is publicly accessible to formally support it.
Mentioned only
What would strengthen this review
Public evidence the brand could provide to close verification gaps
- ○Niacinamide concentration is not publicly disclosed. Brightening and sebum control effects are concentration-dependent; stating the percentage would allow consumers to assess the likely efficacy level.
- ○No finished-product clinical brightening study is publicly linked. A controlled study measuring melanin index or PIH improvement before and after use would substantiate the radiance and dark spot claims.
- ○Formula pH is not publicly disclosed. Niacinamide stability and comfort, as well as preservative system efficacy, both depend on pH; publishing this figure would improve formula confidence.
- ○No preservative efficacy test result is publicly accessible. An ISO 11930 result would confirm the Phenoxyethanol and Potassium Sorbate system is adequate for this water-based leave-on serum.
This assessment is based only on publicly available INCI, claims, and test evidence. It is not a full Clean Sheet certification. Full certification requires confidential formula review, exact concentrations, supplier documentation, manufacturing records, packaging compatibility, preservative efficacy, stability, and complete claim validation.
Are you the brand? If you have published test data or want to request a re-review, write to us at hello@thecleansheet.in.
Full methodology
- What global regulations say about each ingredient
- What toxicology evidence shows at cosmetic concentrations
- What formula concentration context changes
- What the product format and leave-on contact time changes
- What the stated user group needs
- What published test evidence confirms
- What the brand is claiming vs what evidence supports
