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Fermentation, Made Science.
VEGAN ingredients of BKJ Beauty

Fermentation,
Made Science.

Time-honored Korean herbs, slowly fermented
and refined in our lab for everyday care.

Discover Our Brands
Balance, Fermented.
Miannongjang fermented products

Balance,
Fermented.

Fermented Korean herbal skincare
for skin that finds its own rhythm

Shop Facial Care
MIAN NONGJANG
Miannongjang brand story

MIAN
NONGJANG

Korea’s Original Fermentation Skincare

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Three Korean Herbs One Slow Process

Every BKJ Beauty formula begins with the same fermented trio,
cultivated with patience and refined through research.

Featured in published research — J. Invest. Cosmetol., Vol. 20(3), 2024.

Learn About Our Process
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Fermented herbal care our customers come back to.

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BRANDS

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Myeon-ji Biom Serum

TuneTune Heritage

Myeon-ji Biom Serum

$23.97

Myeon-ji Biom Cream

TuneTune Heritage

Myeon-ji Biom Cream

$20.97

Fermented Nail Oil for Cuticle & Nail Repair | 8ml

TuneTune Heritage

Fermented Nail Oil for Cuticle & Nail Repair | 8ml

$14.09

Fermentation Multi Stick | 10g

TuneTune Heritage

Fermentation Multi Stick | 10g

$20.69

Fermentation Foot Shampoo | 200ml

TuneTune Heritage

Fermentation Foot Shampoo | 200ml

$25.68

Fermentation Ampoule | 15ml

TuneTune Heritage

Fermentation Ampoule | 15ml

$13.99

Fermentation Multi-Cream | 200ml

TuneTune Nail

Fermentation Multi-Cream | 200ml

$24.24