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Shop Kiehl's Midnight Recovery Concentrate
Serum
Kiehl's

Midnight Recovery Concentrate

· 3.4 fl ozPM only
DrynessFine lines & firmnessRadiance
At a glance
Routine step
Serum (oil)
When
Evening only
Skin types
Combination, Dry, Normal, Sensitive
Pairs well with
Hyaluronic Acid, Ceramides, Snail Mucin, Beta-Glucan
How to use

Apply a pea-sized amount to clean, slightly damp skin before your moisturizer. Start with a few nights a week if it contains an active you are new to.

Ingredient research in this formula

These are ingredient-level research links, not evidence that this exact product has been clinically tested.

  • SqualaneFair evidenceFull dossier

    A lightweight oil that mimics what your skin already makes. Softens and seals in hydration without feeling greasy.

    Good for: Barrier repair, Hydrating

Evidence behind the ingredients

Real citations from our research database, one per tracked active in this product. Click any ingredient name to read its full evidence dossier.

SqualaneFair evidence5 citations

A lightweight oil that mimics what your skin already makes. Softens and seals in hydration without feeling greasy.

Wolosik K et al., Squalane as a Promising Agent Protecting UV-Induced Inhibition of Collagen Biosynthesis and Wound Healing in Human Dermal Fibroblast, Molecules 2025;30(9):1964: low-dose squalane (0.005-0.015%) restored collagen biosynthesis and wound healing in UVA-exposed human dermal fibroblasts

2025Mechanism onlyPMID:40363772View source ↗

Morgan AB et al., Explicating the multifunctional roles of tocotrienol and squalene in promoting skin health, Skin Health and Disease 2024;4(5):e448: squalene/squalane promotes skin health via antioxidant, hydrating, emollient, anti-inflammatory mechanisms

2024Mechanism onlyPMID:39355739View source ↗

Fiume M et al., Safety Assessment of Squalane and Squalene as Used in Cosmetics, International Journal of Toxicology 2023;42(3_suppl):107S-109S: CIR expert-panel assessment concluding squalane is safe as a cosmetic ingredient

2023Safety assessmentPMID:37752766View source ↗

Sources: 10 clinical journals and regulatory databases across the US, EU, Korea, Japan, and China. Every entry points to a specific document. See methodology for the full list and what each outcome label means.

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Not medical advice. GlowPal is educational. Patch-test new products and talk to a qualified healthcare professional before changing your routine, especially if you're pregnant, nursing, or have a diagnosed skin condition. See our terms.