Home / Moisturizers / COSRX Oil-Free Ultra Moisturizing Lotion
COSRX Oil-Free Ultra Moisturizing Lotion
By Nur → Last verified 11/3/2026
Price checked 11/3/2026
Verified 2026-11-03 on YesStyle: $17.16. Prices change often, so confirm on the retailer's page.
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What we found
Based on how this product compares to others in the moisturizers category, cross-referenced against retailer listings and market data.
Strengths
- + Birch sap at a disclosed 70.8% leads the formula — the headline dose is verified, not a tail story
- + Oil-free in the true sense: no plant oils and no mineral oil, with a light dimethicone film instead
- + Fragrance-free in the current version — no parfum and no essential oils
- + A 100 ml pump bottle at $0.25/mL, on sale since 2017 with 13,151 ratings at 4.5 on iHerb
- + Panthenol, allantoin and sodium hyaluronate support the humectant base
Worth knowing
- - Which version you receive matters: older stock still circulating contains lemon peel oil and tea tree leaf oil, so check the pack if fragrance matters to you
- - Panthenol, allantoin and hyaluronate sit toward the tail of the list, so their doses are not the strength of this formula
- - Not enough on its own for dry or very dry skin — there is no barrier-lipid system here, by design
- - Prices spread widely by retailer, from a $16.04 iHerb sighting to $25.00 at Olive Young — worth comparing before you buy
Key ingredients
These are the ingredients COSRX highlights for this product, cross-checked against general dermatological and cosmetic-chemistry sources, not a full INCI list.
Fragrance: confirmed fragrance-free.
| Ingredient | What it is | What it does for skin |
|---|---|---|
| Birch Sap 70.8% | A specific active or extract in this formula. | Not yet independently verified against general dermatology sources. |
| Glycerin | A humectant naturally present in skin, one of the most well-established moisturizing ingredients. | Draws water into the skin's outer layer, helping maintain hydration and support the barrier. |
| Betaine | An amino-acid-derived humectant, naturally found in sugar beets and also present in snail mucin. | Helps draw and hold moisture in the skin, and has mild soothing properties. |
| Sodium Lactate | A specific active or extract in this formula. | Not yet independently verified against general dermatology sources. |
| Panthenol | Pro-vitamin B5, which converts to pantothenic acid once absorbed into skin. | Hydrates as a humectant, supports wound healing, and has anti-inflammatory, soothing effects on irritated skin. |
| Allantoin | A soothing compound, naturally occurring in some plants and also made synthetically. | Calms irritation and supports skin healing, often paired with other barrier-focused ingredients. |
| Sodium Hyaluronate | A specific active or extract in this formula. | Not yet independently verified against general dermatology sources. |
| 4-Terpineol | A specific active or extract in this formula. | Not yet independently verified against general dermatology sources. |
What the brand says
COSRX's own marketing claims, not our own findings.
- Oil-free moisturizing lotion - no plant oils or mineral oil; dimethicone (silicone) is present
- Birch sap (Betula Platyphylla Japonica Juice) at a disclosed 70.8% leads the formula
- Lightweight pump lotion for daily hydration and soothing
- Fragrance-free in the current version (see Version Flag)
Research-Based
Our assessment comes from pricing, ingredients, and published information, not personal use, the same standard we apply across the site. This product hasn't been hands-on tested yet. See our Methodology for what that distinction means.
Price history
Current price is the lowest we've recorded so far.
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Frequently asked
How much does COSRX Oil-Free Ultra Moisturizing Lotion cost per mL?
$0.17 per mL (currently $17.16 for 100 mL).
Has COSRX Oil-Free Ultra Moisturizing Lotion been hands-on tested?
Not yet. Our assessment for this product comes from pricing, ingredients, and published information, not personal use, the same standard we apply across the site. See our Methodology for what that distinction means.
What are the key ingredients in COSRX Oil-Free Ultra Moisturizing Lotion?
The ingredients COSRX highlights for this product include Birch Sap 70.8%, Glycerin, Betaine, Sodium Lactate, Panthenol, Allantoin, Sodium Hyaluronate, 4-Terpineol.