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This amino acid is an extremolyte, meaning it protects cells in extreme conditions like harsh temperatures and environments.
Source images: Courtesy of brands; Collage: Laneen Wells forAllure
Originally discovered in bacteria that thrive in salt lakes,ectoinhelps shield these organisms cells from damage.
On skin, it does the same thingforming a barrier against UV damage, pollution, and free radicals.
Ectoin helps your skin cells fight and heal damage from environmental stressors, says board-certified dermatologistKaran Lal, MD.
But ectoin isnt just about protectionits a skin-care multitasker.
Its also especially beneficial for dry, irritated skin, including those dealing withretinoidirritation or conditions likeeczema.
Here, we tapped dermatologists and scanned the market for the best ectoin products, below.
The Multi-Quench Plumping Hydration Serum from Prequel does exactly thatall in one super-gentle, lightweight formula.
Acetyl hexapeptide-8 boosts renewal, leaving your complexion looking firmer and healthier over time.
Along with ectoin, it features madecassoside, a K-beauty favorite known for its anti-inflammatory and healing properties.
Its lightweight, lotion-like texture absorbs quickly, leaving skin soft and prepped for the rest of your routine.
Instead, she goes straight to SPF after applyingvitamin C serumin the morning.
Just a pea-sized amount sinks in instantly, leaving your skin ridiculously soft and perfectly primed for makeup.
Plus, with the added protection of ectoin, your skin barrier gets the ultimate defense boost.
This formula works to keep it soft and supple until morning.
The secret to its clear finish lies in the sheer mineral-based pigments that even out discoloration.
but also leaves your skin with a radiant glow.
Tester feedback:“As a woman withbrown skin, I usually run away from mineral sunscreen.
That’s a surefire way to look purple,” says editor-in-chiefJessica Cruel.
“This lightlytinted formulachanged my mind.
It’s got a watery consistency and blends seamlessly without leaving my skin looking dusty.”
Ectoins protective benefits are ideal for this sensitive area, while vitamin E and glycerin soothe and hydrate.
Hyaluronic acid works to plump the skin, leaving your under-eyes with a refreshed, more awake appearance.
Ectoin is an amino acid derivative known for its ability to protect and strengthen the skin.
Ectoin also helps stabilize proteins and cellular structures, which may reduce oxidative damage and support overall skin resilience.
Because of its protective and hydrating properties, ectoin is increasingly found in moisturizers and barrier-repair products.
Is ectoin better than hyaluronic acid?
Ectoin andhyaluronic acidarent exactly in competitionthey serve different purposes in skin-care and actually work well together.
It delivers an instant hydration boost, plumping the skin and keeping it looking fresh.
With decades of research backing its efficacy, hyaluronic acid remains a gold standard in hydration.
Ectoin, on the other hand, takes a more protective approach.
Is ectoin good for mature skin?
Beyond protection, ectoin also helps with moisture retention and barrier supportkey concerns for aging skin.
Think of ectoin as an added layer of defense rather than a replacement for the heavy hitters.
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