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Zelens · Serums

Hyaluron Intense Hydro-Plumping Serum

$115·30 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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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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Hydrolyzed Hyaluronic AcidGenerally safe

A broken-down form of hyaluronic acid with smaller molecules intended to penetrate more deeply into the skin. It functions as a humectant and is well tolerated, with the same safety profile as standard hyaluronic acid.

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Beta-GlucanGenerally safe

A polysaccharide extracted from yeast cell walls or oat bran. Used for hydration and skin conditioning, beta-glucan is well tolerated with emerging evidence for supporting skin barrier function. No safety concerns flagged in cosmetic use.

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PhospholipidsGenerally safe

Natural fat molecules present in healthy skin that help reinforce the skin barrier. They are graded with no known concerns in cosmetic assessments and are well tolerated as skin conditioning agents.

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AlginGenerally safe

A natural polysaccharide derived from brown seaweed, used as a thickener and gelling agent in cosmetics. It has a strong safety history in topical formulations and is well tolerated across skin types.

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Leuconostoc and Radish Root Ferment FiltrateGenerally safe

A fermented extract of radish root that acts as a natural preservative and skin-conditioning agent. It has shown antimicrobial properties in formulation work and is well tolerated in rinse-off and leave-on products, though individual sensitivities can vary.

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Sodium BenzoateGenerally safe

The sodium salt of benzoic acid, used as a preservative in both foods and cosmetics. Decades of safety review support its use at typical cosmetic concentrations, with mild irritation the main reported issue in sensitive skin.

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Potassium SorbateGenerally safe

A widely used, gentle preservative also common in food. It is generally well tolerated, though it can occasionally cause mild, transient irritation in people with already-compromised or very reactive skin.

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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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Xanthan GumGenerally safe

Xanthan gum is a microbial-fermentation-derived polysaccharide used to thicken and stabilize textures, similarly common in food. Cosmetic panel review of this and related microbial gums found them safe as used, with no meaningful irritation signal at typical concentrations.

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Benzoic AcidGenerally safe

A naturally occurring acid used to preserve and adjust pH in cosmetic formulas. It is generally recognized as safe at cosmetic use levels, with mild irritation possible on broken or very sensitive skin at higher concentrations.

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Sodium HydroxideGenerally safe

A strong alkali used in tiny amounts to adjust the pH of cosmetics to safe, skin-friendly levels. At the pH found in finished products, sodium hydroxide is neutralized and well tolerated.

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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.