1.5% Vitamin C & Mandarin Pore Tightening Toner
One of Plum's cleanest formulas - no penetration enhancers, no parabens, short INCI, and disclosed concentration. Mandarin Peel phototoxicity risk and the temporary nature of the pore-tightening claim are minor gaps.


- Combination skin
- Enlarged pores and uneven texture
- You have fragrance sensitivities
Rs. 382 - Rs. 425 • Analysed 10 June 2026
A stable vitamin C toner is a practical daily brightening step in a routine where a full-strength vitamin C serum might feel too heavy for India's humid climate. At 1.5%, this provides consistent antioxidant protection without the potential sensitivity of higher-concentration actives. The Witch Hazel pore-tightening benefit is useful for oily Indian skin types but may strip barrier if overused on dry areas. Always follow with SPF in the morning given the Mandarin Peel extract's phototoxic potential.
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
Each claim checked against publicly available evidence: published test reports, the ingredient list, and regulatory data.
Brand explicitly states 1.5% 3-O-Ethyl Ascorbic Acid on label.
Witch Hazel tannins provide a documented transient astringent effect. Effect is temporary and not long-term structural pore reduction.
Vitamin C brightening mechanism is established, but no formula-specific study published. At 1.5%, the concentration is supportive rather than clinically potent.
Score breakdown
Public Evidence Score across 5 pillars. Open any row for the full rationale.
Ingredient SafetyExcellent28/30Clean allergen profile with a fragrance free formula.
No penetration enhancers, no parabens, no synthetic Parfum, no formaldehyde releasers. Mandarin Peel Extract may contain furanocoumarins that make skin more sensitive to sunlight depending on extraction method; morning use without SPF should be avoided. Benzyl Alcohol serves as both preservative and EU fragrance allergen in this leave-on product. Witch Hazel is mild and well-tolerated in most skin types. The 3-O-Ethyl Ascorbic Acid is well-characterised and safe. Overall a very clean safety profile.
Formula LogicStrong22/25The ethylated vitamin C derivative is the right choice for a water-based toner formula: L-ascorbic acid degrades quickly in water, while this derivative stays stable on the shelf.
The ethylated vitamin C derivative is the right choice for a water-based toner formula: L-ascorbic acid degrades quickly in water, while this derivative stays stable on the shelf. Cyclodextrin locks the vitamin C in a stable environment for storage. Witch Hazel provides genuine though temporary pore-appearance reduction through its tannin content, which causes the skin around pores to contract briefly. At 1.5%, this is appropriate antioxidant support for a daily toner step rather than a high-potency treatment, which is appropriate for its place in a routine.
Claims EvidenceGood17/25The 1.5% vitamin C concentration is disclosed.
The 1.5% vitamin C concentration is disclosed. The formula is short and the full ingredient list is published. The 'Pore Tightening' claim is mechanistically valid through Witch Hazel astringency, but the effect is temporary and disappears as the product absorbs. This distinction is not explained to consumers. Mandarin Peel's potential phototoxicity for morning use is not flagged. No clinical data has been published.
Test TransparencyGrade CFair7/15No independent study, efficacy test, or safety assessment is publicly accessible.
No independent study, efficacy test, or safety assessment is publicly accessible. The 1.5% concentration disclosure is a positive baseline step. No published data supports pore-tightening claims beyond the established transient Witch Hazel mechanism.
Consumer ClarityStrong4/5The vitamin C concentration is clearly communicated.
The vitamin C concentration is clearly communicated. The temporary nature of the pore-tightening effect is not explained. Mandarin Peel phototoxicity risk for morning use without SPF is not flagged. Benzyl Alcohol's dual role is not disclosed.
Ingredient list
16 ingredients · INCI order
| Ingredient |
|---|
Aqua |
Propanediol |
3-O-Ethyl Ascorbic Acid |
Methyl Gluceth-20 |
Citrus Reticulata (Mandarin) Peel Extract |
Terminalia Ferdinandiana (Kakadu Plum) Fruit Extract |
Hamamelis Virginiana (Witch Hazel) Extract |
Sodium Citrate |
Show all 16 ingredientsShow fewer
Cyclodextrin |
Benzyl Alcohol |
Hydroxyacetophenone |
Caprylyl Glycol |
Sodium Gluconate |
Sorbitol |
Citric Acid |
Sucrose |
INCI order as declared on packaging. Position reflects approximate concentration (high to low).
Regulatory screen
Each ingredient mapped against 10 global regulatory authorities
No banned substances; Benzyl Alcohol requires allergen labelling above 0.001% threshold in leave-on products under EU 2023/1545
No flagged substances
No flagged substances
No flagged substances
No flagged substances
No flagged substances
No flagged substances
No flagged substances
No flagged substances
No flagged substances
Flags are based on publicly available INCI only. Not a substitute for full regulatory compliance review.
Claims check
Each marketing claim assessed against publicly available evidence
Brand explicitly states 1.5% 3-O-Ethyl Ascorbic Acid on label.
Evidence visible
Witch Hazel tannins provide a documented transient astringent effect. Effect is temporary and not long-term structural pore reduction.
Evidence visible
Vitamin C brightening mechanism is established, but no formula-specific study published. At 1.5%, the concentration is supportive rather than clinically potent.
Mentioned only
What would improve this score
Public evidence the brand could provide to close verification gaps
- ○Pore-tightening effect is temporary (Witch Hazel astringency) - not disclosed to consumers
- ○Mandarin peel phototoxicity risk for morning use without SPF not flagged
- ○No clinical study published for this formula
One of Plum's cleanest formulas - no penetration enhancers, no parabens, short INCI, and disclosed concentration. Mandarin Peel phototoxicity risk and the temporary nature of the pore-tightening claim are minor gaps.
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