Visibly smoother, firmer-looking skin

Clinically measured improvement in skin smoothness up to 20%.

Anti-aging designed for sensitive skin

Advanced peptide technology without harsh retinoids.

Visible results in 7 days

See smoother, more radiant-looking skin with our clinically tested tripeptide complex.

Shop the Starter Kit

★★★★★ 5.0 Rating • Made in EU • Dermatologist & Clinically Tested • Free US Shipping

Three ways UKOI helps your skin look younger

Firmer-looking skin

Activates collagen renewal
Advanced tripeptides help stimulate the skin’s natural renewal processes, improving firmness and helping skin appear smoother over time.

Smoother fine lines

Reduces visible signs of aging
The intelligent peptide complex softens the appearance of expression lines and improves skin texture for a more youthful look.

Healthy glow

Hydrates and strengthens
Deep hydration helps support skin elasticity, comfort, and long-lasting radiance throughout the day.

Real experiences from UKOI customers:

5/5

”It smooths and lightly firms the skin, evens out tone, and adds a natural glow. It also layers really well under sunscreen and makeup, which I appreciate.”

Marta UKOI Tripeptide

5/5

“Looking for a serum that absorbs quickly? A gel texture that isn’t sticky? Something hydrating, yet barely noticeable on the skin? This one delivers”

MissMe UKOI Tripeptide

5/5

”Actually, I want to tell you about a product that I completely fell in love with. I tested it, then put it aside for a while, but I keep coming back to it because nothing gives the same effect under my eyes as this UKOI eye cream.”.

Sofia UKOI Tripeptide

5/5

”I used it daily on my face, neck, and décolleté, and one bottle lasted about 6 weeks - very reasonable. Would definitely recommend - the peptide line is worth trying”

Agnieszka UKOI Tripeptide

5/5

”It’s a strong performer for the price - lightweight, but with visible results. It’s non-comedogenic, helps soothe irritation, and overall feels very effective”

Natalia UKOI Tripeptide

5/5

”And for the price/quality - honestly, it’s impressive”

Anna UKOI Tripeptide

Science: Tripeptide-1 is able to stimulate collagen production in the skin, and more collagen means fewer wrinkles and younger looking skin

tripeptides info and effectiveness

Science It belongs to the "Botox in a jar" type of peptides

Dipeptides info and affectivemess

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See healthier-looking skin in as little as 30 days

Powered by clinically inspired ingredients, UKOI helps support firmer-looking skin, lasting hydration, and a more radiant complexion. Visible improvements you can see in the mirror—without compromising your skin’s natural beauty.