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Glossier · Serums

Super Pure

$34·30 ml·Leave-on
100
Low concern

Why this score

Concern55 / 55
  • No ingredients carry meaningful, evidence-backed concern.

How much genuine, cited concern the ingredients carry, weighted by how much of each is likely present and whether the product stays on or rinses off.

Transparency20 / 20
  • No hidden fragrance blend.

Whether the full ingredient list, and any fragrance, are actually disclosed.

Formulation restraint25 / 25
  • No needless irritants or fragrance allergens for this product type.

Needless irritant or allergen load for the product type. A clean, purposeful formula scores well without any "free-from" theater.

Scored by PlainBody Editorial against the PlainScore method · Label checked July 2026

What’s inside

WaterGenerally safe

The base most products are built on. It carries the other ingredients and has no safety concern.

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NiacinamideGenerally safe

A form of vitamin B3 used to support a more even-looking tone and a comfortable barrier. Well tolerated at cosmetic levels.

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GlycerinGenerally safe

A humectant that draws water into the skin. One of the best-studied, best-tolerated ingredients in personal care.

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PropanediolGenerally safe

A corn-derived solvent and humectant that has largely replaced propylene glycol in "clean" formulas; CIR reviewed the alkane diol group and found use concentrations up to about 40 percent in leave-on products like deodorant sticks with no meaningful irritation signal.

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Zinc PCAGenerally safe

Zinc PCA is a zinc salt of a naturally occurring skin humectant, used mainly to help regulate oil and support a balanced skin microbiome in oily or acne-prone formulas. It has a long history of use with no significant reported irritation, though dedicated cosmetic-specific review data is thinner than for more common ingredients.

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Citric AcidGenerally safe

Used in tiny amounts to set a product to skin-friendly pH. No concern at those levels.

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AllantoinGenerally safe

A soothing, skin-conditioning compound (also found in comfrey root) commonly added to calm and hydrate irritated or sensitive skin. It has a long history of safe use with very low irritation potential.

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HydroxyethylcelluloseGenerally safe

A cellulose derivative used to thicken and stabilize formulas. It dissolves fully in water and does not separate or settle over time. It is well tolerated and widely used in gels, lotions, and serums.

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Polysorbate 60Generally safe

A synthetic surfactant widely used to emulsify oils and water in cosmetics. It is well tolerated and has been used safely in cosmetic formulations for decades.

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Cosmetic information for general education, not medical advice. Concern ratings are evidence-graded and cited on each ingredient page. See how we score.