Glycerin ↗
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Kiehl's
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Kiehl’s Ultra Facial Overnight Rehydrating Mask is an intensively hydrating, balm-to-oil sleeping mask designed to strengthen the skin’s moisture barrier and reduce overnight moisture loss. Suitable for all skin types. Key ingredients include 10.5% Squalane, a skin strengthener and restorer that aids in vital moisture retention. Glycerin is a powerful humectant known to help retain moisture and condition the skin. Glacial Glycoprotein deeply hydrates, protects, and helps prevent water loss from the skin. Fragrance-free. Dr Webster’s Recommendation: Kiehl’s Ultra Facial Overnight Rehydrating Mask is ideal for those struggling with dryness, flakiness or compromised barrier function, particularly during colder months, travel, or after exposure to harsh environmental conditions.
Description from Dermastore curated catalogue · Recorded Aug 9, 2026. Product claims have not been independently verified.
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These studies concern ingredients listed or declared for this product. They do not establish that this exact formula reproduces a study result, dose or delivery method.
3 selected studies
Read the findings and limits ↗1 selected study
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