Brand Story
Your skin needsgood bacteria, too
Fermented science that mirrors nature, restoring the balance between good and harmful bacteria on your skin. This is the thinking behind RiRieL.

Take away, then refill with ferment
We removed what did not need to be there and put fermented actives from nature in its place, so skin can get healthy on its own terms. Gentle, but decisive.
Low irritation
Formulated without the usual irritants, so even reactive skin can use it daily.
Fermentation science
Naturally derived fermented actives that bring back skin's own resilience.
Balance
We refill rather than strip — supporting the balance your skin already has.
Healthy skin comes down tomicrobial balance
An invisible community of microbes lives on your skin. When that balance tips, breakouts, dryness and sensitivity follow. RiRieL uses fermented probiotics to restore the ratio, so your skin stops reacting to everything.
Blocking outside stress
The film good bacteria create is the first filter against pollution and dryness.
Self-defence
A healthy microbiome strengthens the skin's own ability to protect itself.
Staying slightly acidic
With the right pH balance, skin becomes an environment where trouble rarely starts.
“Does skin need good bacteria, too?” That question is where RiRieL began.
Three fermented actives that make RiRieL
Fermented probiotics
Fermented Probiotics
Takes the side of the good bacteria on your skin. Once the balance is refilled, outside stress no longer knocks it over.
Prebiotics
Prebiotics
Feeds the skin's good bacteria and supports microbiome balance, creating an environment where skin gets healthier on its own.
Bifida ferment lysate
Bifida Ferment Lysate
The core of RiRieL's fermented care. Evens out dull tone and rough texture for skin with a healthy glow.
The balance fermentation builds
Microbiome defence layers
Microbial · immune · physical · chemical
Core fermented actives
Probiotics · Bifida · prebiotics
Mist plus refill
A generous volume that lasts
Low-irritation tested
Daily care for sensitive skin
The company behind RiRieL
RiRieL was founded in 2024 in Ulsan, Korea, as a women-led, youth-founded certified venture company. We build fermented skincare matched to individual skin using microbiome data.
Milestones
- 2024.04
RiRieL Inc. founded in Ulsan, Korea
- 2024.05
Patent registered — UV protection composition (No. 10-2668352)
- 2024.07
OEM/ODM manufacturing agreement — specification and trademark rights held by RiRieL
- 2024.08
Registered as a cosmetics responsible distributor (No. 45931, Busan MFDS)
- 2024.10
Microbiome analysis MOU with KRICT
- 2024.11
Certified venture company · employee invention award certification
- 2024
Seed investment secured
- 2025.01
Wadiz crowdfunding closed at 1,022% of goal
- 2025.03
Selected for the Youth Startup Academy (Busan) · KOSME policy funding
- 2025.04
KRICT analysis support agreement (bio-chemical materials programme)
- 2025.08
Patent registered — skin microbiome balancing composition (No. 10-2849516)
- 2025
US FDA registration · MoCRA compliance · export channels opened in 8 countries
- 2026
Follow-on investment confirmed · English and Japanese sites launched
Team
Dermatological science, microbiome research and cosmetic formulation under one roof.
Top of class, Skin Care Science, Eulji University · former AMOREPACIFIC AMOS Professional trainer
Life Sciences, UNIST · microbiome analysis and product development
Cosmetic formulation R&D, ex-AMOREPACIFIC
Former university hospital researcher · skin microbiota analysis
Programmes & awards
- Pre-Startup Package — graduated with highest distinctionMinistry of SMEs and Startups
- Youth Startup Academy (Busan)KOSME
- Youth Startup Competition — Excellence AwardGyeonggi Regional SME Office
- Ulsan Young CEOUlsan Metropolitan City
- Certified venture companyKorea Technology Finance Corporation
- Employee invention award certificationKorean Intellectual Property Office
RiRieL, day to day






Refill your skin with good bacteria
If sensitive skin has worn you out, start fermented care today.
