UNDER TEN
★ MINIMALIST K-BEAUTY · SEA GRAPE
FEWER THAN 10
INGREDIENTS.
UNDER TEN is a radical minimalist K-beauty brand that formulates each product with fewer than 10 ingredients. The brand has made Sea Grape (caulerpa lentillifera) its signature ingredient — rich in marine minerals and hydration. A K-beauty line for skin that wants the essentials, a short INCI list, and transparency.
★ THE UNDER TEN CHALLENGE
LESS THAN 10 INGREDIENTS, PER FORMULA
A K-beauty refined down to the INCI.
The promise is in the name: fewer than 10 ingredients per product. UNDER TEN rejects long lists and focuses on the essential, centered around a star active: Sea Grape, a particularly hydrating marine algae.
✦ PILLAR 01
SEA GRAPE
Sea grape (caulerpa lentillifera), rich in minerals and marine amino acids, ultra-hydrating. The UNDER TEN signature.
✦ PILLAR 02
LESS THAN 10
Each formula limits its ingredients to fewer than 10. Total clarity, short INCI, zero extras.
✦ PILLAR 03
MARINE HYDRATION
Marine actives deeply plump the skin. Hydrated skin at the source, better retaining water daily.
Less is more, but for real: UNDER TEN fulfills the minimalist promise.
★ THE SEA GRAPE RANGE
THE BASIC CARE ROUTINE
The toner, serum, cream: the essential UNDER TEN routine.
SEA GRAPE BASIC CARE
Toner & ampoule
The signature duo: the Sea Grape Basic Care Set Toner Ampoule, a cult favorite for concentrated marine hydration.
SEA GRAPE HYDRATION
Serums & creams
Moisturizing sea grape care, with a short INCI list, for a complete and clear routine.
★ THE ENTIRE COLLECTION
DISCOVER THE UNDER TEN SKINCARE
BELOW
Sea Grape, minimalist serums, creams: find the authentic UNDER TEN selection, shipped from Seoul with no customs fees in the EU.
★ TO GO FURTHER
THE MINIMALIST K-BEAUTY UNIVERSE
UNDER TEN, COSRX, Beplain: the short and clear K-beauty to explore.

UNDER TEN: the minimalist K-beauty sea grape brand
The full story of UNDER TEN: the minimalist K-beauty with sea grape, its short INCI, and its cult Basic Care Set.
READ THE ARTICLE →
COSRX: the minimalist K-beauty brand known for snail mucin
COSRX and UNDER TEN share the minimalist obsession: few ingredients, high effectiveness.
READ THE ARTICLE →
BEPLAIN: the K-beauty clean beauty mung bean brand
Beplain extends the minimalist spirit with a clean beauty obsession around mung bean.
READ THE ARTICLE →★ YOUR QUESTIONS
UNDER TEN FAQ
The essentials to understand K-beauty Sea Grape UNDER TEN.
Which UNDER TEN product should I start with?
The Sea Grape Basic Care Set Toner Ampoule is the perfect entry point: it’s the brand’s signature duo, summarizing its philosophy of concentrated marine hydration.
What exactly is Sea Grape?
The sea grape (caulerpa lentillifera), a Japanese and Asian green algae rich in minerals, amino acids, and marine trace elements. A precious natural hydrating active ingredient.
Why fewer than 10 ingredients?
To maximize clarity and reduce the risk of irritation. Fewer ingredients = fewer uncertainties, and a formulation focused on the essential useful elements.
Is UNDER TEN suitable for sensitive skin?
Yes, that's actually one of its strengths. The short INCI lists limit potential sources of irritation. Still, do a patch test on your inner elbow to be safe.
Can UNDER TEN be combined with other brands?
Yes, no problem. UNDER TEN skincare often serves as a minimalist hydrating base, complementing a targeted active serum from another brand.
Are UNDER TEN products on Ma Petite Corée authentic?
Yes, 100%. Ma Petite Corée has been based in Seoul since 2017 and sources directly. Each product is new, sealed, and shipped from Korea, with no customs fees charged to you in the EU.
