I like to apply a few layers of this essence, in a ‘skin flooding’ kind of way, to ensure ultimate moisture.
This essence is perfect for sensitive skin (as it’s hypoallergenic) and dry skin, and it supports the skin barrier in the long-term.
It’s packed with glycerin, urea, PCA and lipids, all of which are amazing for skin barrier repair. It’s also formulated with Aestura’s proprietary complex, BMF™ (Barrier Moisturising Factors) that includes amino acids, minerals, PCA, Urea, lactic acid and more good-for-your-skin ingredients. There’s also a lipid complex in the formula that includes lipids naturally available in our skin, like ceramides, fatty acids and cholesterol, to support the skin in the long-term.
I really like how easily and quickly it absorbs into the skin; there is no sticky residue, and it gives me a good amount of hydration. The only thing I struggle with is that I have a hard time squeezing the bottle, so instead I kind of shake it over my palm. TBH, for the sub-£30 price, that’s something I am more than willing to put up with.
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Best Glass Skin Serum For Day: Dr. Althea Vitamin C Boosting Serum
Original video from Sarah Wu testing Dr. Althea Vitamin C Boosting Serum
If your vitamin C serums feel sticky or smell like hot dog water, swap them out for this K-beauty favourite. This lightweight formula is formulated with Hippophae rhamnoides fruit extract, also known as sea buckthorn berries, which studies show contain high levels of vitamin C. It’s blended with cica, or Centella asiatica, a popular ingredient in Korean skin care with proven soothing properties. Together, they create a powerful vitamin C serum that’s watery, lightweight, and effective.
This is the most frequently emptied product in my current Korean skin care routine. Ever since I discovered it two years ago, I’ve gone through a bottle every two months. This reformulated version contains an even higher concentration of Hippophae rhamnoides fruit extract (63%) yet doesn’t irritate my sensitive skin, absorbs in seconds, and visibly brightens dark spots from healed breakouts with regular use. Whether you want to target hyperpigmentation or boost overall brightness, this is a must-have.
READ MORE: The best Korean vitamin C serums, tested by our K-Beauty experts.
Best Glass Skin Serum For Acne-Prone Skin: Abib Glutathiosome Dark Spot Serum Vita Drop
Original video from Sarah Wu testing Abib Glutathiosome Dark Spot Serum Vita Drop
Whether you’re dealing with active breakouts or post-pimple dark marks, this brightening serum will help soothe and fade both. It contains “brightening powerhouse ingredients glutathione and vitamin C, the top two trending and more effective brightening ingredients in Korea,” says Cho. “It’s become one of my go-to recommendations.” Along with the duo of brighteners, the formula also features niacinamide to help calm redness, soothe, and brighten – as well as barrier-friendly ceramides. Cho loves “the suspended capsules that break down easily once you spread them across your skin” and “how the finish is not sticky at all.”