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Klairs' bi-phase oil-and-water drop — for skin that wants the cushion of an oil without the slippery aftermath, layered the moment you pat in the Vitamin Drop.
Other routine steps with complementary ingredients.
Side-by-side ingredient breakdowns vs. the closest alternatives.
In-clinic and at-home treatments that use the same active ingredients.
The 14–28 day structured protocol for resetting a compromised skin barrier — strip the routine to the studs (cleanser, ceramide cream, SPF), drop every active, let the skin rebuild itself.
The moisturiser-retinoid-moisturiser layering trick that made retinoids tolerable for sensitive skin, popularised by US derm TikTok.
The J-beauty solo cleanse — one step, no follow-up foam, no stripping.
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Fundamental Watery Oil Drop by Klairs is formulated for dry, normal, mature, combination skin. Klairs' bi-phase oil-and-water drop — for skin that wants the cushion of an oil without the slippery aftermath, layered the moment you pat in the Vitamin Drop.
The key active ingredients in Fundamental Watery Oil Drop are Ceramides, Squalane. It's known for: bi-phase oil + water for plumped, non-greasy glow and budget-tier Klairs at under $25.
Yes, Fundamental Watery Oil Drop targets dryness, fine lines, dullness. bi-phase oil + water for plumped, non-greasy glow
Fundamental Watery Oil Drop retails for around $23, which places it in the budget range for serums. Check the "Where to Buy" section above for current retailer prices.
The main drawbacks to be aware of: needs shaking before use; oil layer can wear off by mid-afternoon.
A suggested daily routine featuring this product, with complementary picks.
Gentle Black Deep Cleansing Oil
Klairs · cleanser
Supple Preparation Facial Toner
Klairs · toner
Vegan Kombucha Tea Essence
Dr. Ceuracle · essence
Fundamental Watery Oil Drop
Klairs · serum
Rich Moist Soothing Cream
Klairs · moisturizer
Soft Airy UV Essence SPF 50 PA++++
Klairs · sunscreen
Rich Moist Soothing Cream
Klairs · moisturizer
