A well-documented hydration serum with a credible glycerin-centered formula and solid cosmetic plumping performance, best suited to dehydration and texture concerns rather than intensive treatment goals.
Scored for skin — based on what its ingredients contribute.
What it may help with
Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.
From Glycerin, Gluconolactone, Propanediol, Tocopherol
Whether it can improve smoothness and surface texture — roughness, flaking, clogged pores, or unevenness. Exfoliating acids, retinoids, and smoothing moisturizers may score here.
From Citric Acid, Gluconolactone, Glycerin, Dimethicone/PEG-10/15 Crosspolymer
Whether it can help visible signs of aging — fine lines, wrinkles, loss of firmness, or photoaging.
From Tocopherol, Adenosine, Gluconolactone, Citric Acid
Whether it supports the skin barrier — restoring lipids, reducing water loss, aiding barrier repair, or strengthening the skin’s protective function.
From Glycerin, Tocopherol, Dimethicone, Gluconolactone
Whether it can help uneven tone, dark spots, melasma-like discoloration, or post-inflammatory hyperpigmentation — including brightening and tyrosinase-inhibiting ingredients.
From Citric Acid, Gluconolactone
Things to watch
Whether it can make skin more sensitive to sunlight, raising the risk of sunburn or UV-related irritation. Relevant for some exfoliating acids, retinoids, and certain plant-derived ingredients.
From Citric Acid
Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.
From Citric Acid, Sodium Chloride, Phenoxyethanol, Chlorphenesin
Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.
Whether it may sting or irritate around the eyes. Relevant for sunscreens, fragrances, acids, surfactants, and volatile ingredients.
Whether it can weaken or damage the skin barrier — harsh surfactants, strong exfoliants, high alcohol content, or overuse-prone actives.
From Sodium Chloride, Citric Acid
NEUTRAL · 10
CAUTION · 4
A facial hydrating serum from Kiehl's positioned to improve the look of dehydration, fine lines, and rough texture. The online product page and retailer listings confirm it as a glycerin-heavy, silicone-supported serum with a short, moisture-focused formula; this is consistent with a plumping humectant base rather than a treatment serum with strong actives.
Summarised from public reviews across the web — subjective experience, not our formula assessment.
User reviews generally describe strong hydration and a noticeable plumping/smoothing effect, with some complaints about price, scent changes, or a tacky feel in newer batches.
Aggregated from publicly available reviews. SpottyLabs does not sell this product.
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