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Hyphen's 10% Vitamin C Serum is a transparently formulated product with a robust antioxidant blend, but its ambitious time-bound and functional claims would benefit from more detailed, publicly accessible finished-product study evidence.
₹489 • Analysed 18 July 2026
Actives like this can raise sun sensitivity, which India's high year-round UV makes significant, so pairing with a daytime SPF is important; the lighter the vehicle, the better it tends to wear in heat and humidity. The product's MRP is Rs. 575, but it is consistently available at discounted prices across major Indian e-commerce and quick commerce platforms, with the lowest price observed at Rs. 489. This suggests that consumers should rarely pay the full MRP. 2 marketing claims could draw ASCI scrutiny under India's advertising code; the ingredient list is the more reliable guide.
Independent and free. The Clean Sheet takes no money from brands to review, rank, or approve a product. 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.
Brand states 'clinically tested' and 'In-vivo Tested' for brightening, but no specific study details (methodology, sample size, duration, results) are publicly visible for this finished product.
Brand states 'clinically tested' and 'In-vivo Tested' for reducing acne marks and UV damage defense, which implies dark spot reduction. However, specific study details are not publicly visible for this finished product.
Brand states 'clinically tested' and 'In-vivo Tested' for brightening and reducing acne marks, which are related to hyperpigmentation. Specific study details for this finished product are not publicly visible.
Brand states 'clinically tested' and 'In-vivo Tested' for reducing acne marks and UV damage defense. Specific study details for this finished product are not publicly visible.
Contains humectants like Sodium Hyaluronate and Glycerin, and soothing ingredients like Allantoin, which support hydration and skin barrier support.
Brand states 'In-vivo Tested' for reducing acne marks, but 'Acne Control' is a stronger claim. No specific finished product study details for acne control are publicly visible.
Vitamin C, E, and Ferulic Acid are known antioxidants with anti-aging benefits at the ingredient level. No finished product clinical study for anti-aging is publicly visible for this specific product.
Formula logic (water-based, silicones like Bis-PEG-18 Methyl Ether Dimethyl Silane) supports lightweight and non-sticky feel. INCI confirms no 'Parfum' or 'Fragrance' and no artificial colors.
What we could confirm from public sources and the verified ingredient list.
Ingredient Safety & Toxicity
Full ingredient list retrieved and verified against the label.
Brand describes ingredient origin in its claims.
Screened against the ingredient database (15 of 26 ingredients matched); no cosmetics-prohibited ingredient found.
No ingredient with a recognised endocrine-activity concern found in the database.
No IARC-classified or formaldehyde-releasing ingredient found in the database screen.
No commonly-comedogenic ingredient found - a reasonable fit for acne-prone skin.
Irritation & Allergen Risk
No EU-declarable or database-flagged allergen found in the list.
No high-sensitisation preservative (MI/MCI/formaldehyde-releaser) from our screen was found.
Ingredient Transparency
The full INCI list is publicly available, not just hero ingredients.
Active percentages are disclosed for the hero ingredient(s).
Any proprietary 'complex' is broken down into its actual ingredients.
Ingredients are listed in the descending order required by India Cosmetics Rules 2020.
Standards & Compliance
The product pH is disclosed - important for acids / vitamin C / cleansers.
Usage warnings and directions are clear on the label.
No retinoid or other pregnancy-cautioned active found in the screen.
Screened against a curated reference set that we are continuing to verify and expand, so “clear” means no flag from that set, not a guarantee. Not a substitute for a full toxicological or clinical assessment.
| Ingredient |
|---|
Purified Water |
Propanediol |
3-O-Ethyl Ascorbic Acid |
Houttuynia Cordata (Heartleaf) Extract |
Diethylene Glycol Monoethyl Ether |
Ferulic Acid |
Tocophersolan (Vitamin E) |
Sodium Hyaluronate |
Allantoin |
Camellia Sinensis Leaf Extract (EGCG) |
Ubiquinone (Coenzyme Q10) |
Glycerin |
Bis-PEG-18 Methyl Ether Dimethyl Silane |
Sodium Phytate |
Lecithin |
Ascorbyl Tetraisopalmitate |
Tocopherol |
Sodium Metabisulphite |
Sodium Benzoate |
Hydroxyethylcellulose |
Vegetable Oil |
Disodium Ethylenediaminetetraacetate |
Phenoxyethanol |
Ethylhexylglycerin |
Citric Acid |
Sodium Hydroxide |
INCI order as declared on packaging. Position reflects approximate concentration (high to low).
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
Flags are based on publicly available INCI only. Not a substitute for full regulatory compliance review.
“Expect visibly brighter, more even-toned skin in 4-6 weeks.”
Quantified claim ('in 4-6 weeks') without publicly available, verifiable study details.
“12Hr Release Non-Irritating Formula”
Quantified claim ('12Hr Release') without publicly available, verifiable study details.
Brand states 'clinically tested' and 'In-vivo Tested' for brightening, but no specific study details (methodology, sample size, duration, results) are publicly visible for this finished product.
Evidence visible
Brand states 'clinically tested' and 'In-vivo Tested' for reducing acne marks and UV damage defense, which implies dark spot reduction. However, specific study details are not publicly visible for this finished product.
Evidence visible
Brand states 'clinically tested' and 'In-vivo Tested' for brightening and reducing acne marks, which are related to hyperpigmentation. Specific study details for this finished product are not publicly visible.
Evidence visible
Brand states 'clinically tested' and 'In-vivo Tested' for reducing acne marks and UV damage defense. Specific study details for this finished product are not publicly visible.
Evidence visible
Contains humectants like Sodium Hyaluronate and Glycerin, and soothing ingredients like Allantoin, which support hydration and skin barrier support.
Mentioned only
Brand states 'In-vivo Tested' for reducing acne marks, but 'Acne Control' is a stronger claim. No specific finished product study details for acne control are publicly visible.
Evidence visible
Vitamin C, E, and Ferulic Acid are known antioxidants with anti-aging benefits at the ingredient level. No finished product clinical study for anti-aging is publicly visible for this specific product.
Mentioned only
Formula logic (water-based, silicones like Bis-PEG-18 Methyl Ether Dimethyl Silane) supports lightweight and non-sticky feel. INCI confirms no 'Parfum' or 'Fragrance' and no artificial colors.
Mentioned only
Brand states 'clinically tested' and discloses percentages of key actives. However, specific details of the clinical test (methodology, sample size, duration, results) are not publicly visible.
Evidence visible
INCI lists Ubiquinone (Coenzyme Q10) and Camellia Sinensis Leaf Extract (EGCG), supporting the presence of a multi-antioxidant complex.
Mentioned only
Public evidence the brand could provide to close verification gaps
This review evaluates brand claims against visible evidence and formula logic. It does not replace a full ingredient safety analysis or a clinical product test. Results vary by individual, and the consumer should always read the full ingredient list and follow usage guidance.
Are you the brand? If you have published test data or want to request a re-review, write to us at hello@thecleansheet.in.
No ingredient with a recognised endocrine-activity concern found in the database.
No IARC-classified or formaldehyde-releasing ingredient found in the database screen.
No commonly-comedogenic ingredient found - a reasonable fit for acne-prone skin.
Irritation & Allergen Risk
No EU-declarable or database-flagged allergen found in the list.
No high-sensitisation preservative (MI/MCI/formaldehyde-releaser) from our screen was found.
Ingredient Transparency
The full INCI list is publicly available, not just hero ingredients.
Active percentages are disclosed for the hero ingredient(s).
Any proprietary 'complex' is broken down into its actual ingredients.
Ingredients are listed in the descending order required by India Cosmetics Rules 2020.
Standards & Compliance
The product pH is disclosed - important for acids / vitamin C / cleansers.
Usage warnings and directions are clear on the label.
No retinoid or other pregnancy-cautioned active found in the screen.
Screened against a curated reference set that we are continuing to verify and expand, so “clear” means no flag from that set, not a guarantee. Not a substitute for a full toxicological or clinical assessment.
Brand states 'clinically tested' and 'In-vivo Tested' for reducing acne marks and UV damage defense. Specific study details for this finished product are not publicly visible.
Contains humectants like Sodium Hyaluronate and Glycerin, and soothing ingredients like Allantoin, which support hydration and skin barrier support.
Brand states 'In-vivo Tested' for reducing acne marks, but 'Acne Control' is a stronger claim. No specific finished product study details for acne control are publicly visible.
Vitamin C, E, and Ferulic Acid are known antioxidants with anti-aging benefits at the ingredient level. No finished product clinical study for anti-aging is publicly visible for this specific product.
Formula logic (water-based, silicones like Bis-PEG-18 Methyl Ether Dimethyl Silane) supports lightweight and non-sticky feel. INCI confirms no 'Parfum' or 'Fragrance' and no artificial colors.
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
No prohibited or restricted ingredients identified
Flags are based on publicly available INCI only. Not a substitute for full regulatory compliance review.
Brand states 'clinically tested' and 'In-vivo Tested' for brightening, but no specific study details (methodology, sample size, duration, results) are publicly visible for this finished product.
Evidence visible
Brand states 'clinically tested' and 'In-vivo Tested' for reducing acne marks and UV damage defense, which implies dark spot reduction. However, specific study details are not publicly visible for this finished product.
Evidence visible
Brand states 'clinically tested' and 'In-vivo Tested' for brightening and reducing acne marks, which are related to hyperpigmentation. Specific study details for this finished product are not publicly visible.
Evidence visible
Brand states 'clinically tested' and 'In-vivo Tested' for reducing acne marks and UV damage defense. Specific study details for this finished product are not publicly visible.
Evidence visible
Contains humectants like Sodium Hyaluronate and Glycerin, and soothing ingredients like Allantoin, which support hydration and skin barrier support.
Mentioned only
Brand states 'In-vivo Tested' for reducing acne marks, but 'Acne Control' is a stronger claim. No specific finished product study details for acne control are publicly visible.
Evidence visible
Vitamin C, E, and Ferulic Acid are known antioxidants with anti-aging benefits at the ingredient level. No finished product clinical study for anti-aging is publicly visible for this specific product.
Mentioned only
Formula logic (water-based, silicones like Bis-PEG-18 Methyl Ether Dimethyl Silane) supports lightweight and non-sticky feel. INCI confirms no 'Parfum' or 'Fragrance' and no artificial colors.
Mentioned only
Brand states 'clinically tested' and discloses percentages of key actives. However, specific details of the clinical test (methodology, sample size, duration, results) are not publicly visible.
Evidence visible
INCI lists Ubiquinone (Coenzyme Q10) and Camellia Sinensis Leaf Extract (EGCG), supporting the presence of a multi-antioxidant complex.
Mentioned only
“Expect visibly brighter, more even-toned skin in 4-6 weeks.”
Quantified claim ('in 4-6 weeks') without publicly available, verifiable study details.
“12Hr Release Non-Irritating Formula”
Quantified claim ('12Hr Release') without publicly available, verifiable study details.
Public evidence the brand could provide to close verification gaps
![Hyphen 10% Vitamin C Serum with 1% [Vitamin E + Ferulic Acid] Anti-Oxidant Cocktail Serum](/_next/image?url=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F61Bpdj0-gXL.jpg&w=640&q=75)