PLUMSerums

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.

1.5% Vitamin C & Mandarin Pore Tightening Toner
78
Good
Best for
  • Combination skin
  • Enlarged pores and uneven texture
Avoid if
  • You have fragrance sensitivities

Rs. 382 - Rs. 425 • Analysed 10 June 2026

India Context

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

Fragrance free
Alcohol free
Paraben free
Vegan

What was checked

Each claim checked against publicly available evidence: published test reports, the ingredient list, and regulatory data.

1.5% Vitamin CVerified

Brand explicitly states 1.5% 3-O-Ethyl Ascorbic Acid on label.

Published evidence
Pore TighteningVerified

Witch Hazel tannins provide a documented transient astringent effect. Effect is temporary and not long-term structural pore reduction.

Published evidence
BrighteningNeeds context

Vitamin C brightening mechanism is established, but no formula-specific study published. At 1.5%, the concentration is supportive rather than clinically potent.

Brand claim
Verified: confirmed from public evidenceSupported: consistent with available evidenceNeeds context: relevant for some usersNot verified: could not be confirmed

Score breakdown

Mostly credible with gaps

Public Evidence Score across 5 pillars. Open any row for the full rationale.

Ingredient Safety
Excellent28/30

Clean 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 Logic
Strong22/25

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.

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 Evidence
Good17/25

The 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 Transparency
Grade CFair7/15

No 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 Clarity
Strong4/5

The 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

SafeNoteCaution
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 ingredients
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

EU 1223/2009EU Cosmetics Regulation - Annexes II–VI

No banned substances; Benzyl Alcohol requires allergen labelling above 0.001% threshold in leave-on products under EU 2023/1545

India CR 2020India Cosmetics Rules, CDSCO

No flagged substances

Health Canada HotlistCanada prohibited & restricted ingredients

No flagged substances

US FDA 21 CFRUS FDA Parts 700–740

No flagged substances

MFDS KoreaKorea Cosmetics Act

No flagged substances

ECHA SVHCSubstances of Very High Concern

No flagged substances

IARCCarcinogen classifications Groups 1/2A/2B

No flagged substances

AICIS AustraliaAustralian industrial chemical safety

No flagged substances

TGA AustraliaTherapeutic claims (if applicable)

No flagged substances

Canada NHPIDNatural health product ingredients

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

1.5% Vitamin CPublicly supported

Brand explicitly states 1.5% 3-O-Ethyl Ascorbic Acid on label.

Evidence visible

Pore TighteningPublicly supported

Witch Hazel tannins provide a documented transient astringent effect. Effect is temporary and not long-term structural pore reduction.

Evidence visible

BrighteningNeeds proof

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
About this review

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.

Independent reviewPublic evidence only
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

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