How Your Skin Barrier Works
Contains: Physical & Microbial Barriers
Healthy Skin Barrier
Shields skin from damage,
locks in moisture.
Damaged Skin Barrier
Lets irritants in, causes
water loss and skin issues.

The B5 Yeast Extreme Repair Serum R9+ is a dermatologist recommended serum for sensitive skin, enriched with 5% Pro-vitamin B5, Shengchuan Lotus Extract, and Lactobacillus Soybean Ferment Extract. This advanced skin repair serum strengthens the barrier, soothes irritation, and restores balance with its unique R9 probiotic serum formula. Ideal as a sensitive skin serum and face serum for sensitive skin, it delivers hydration, calms redness, and helps repair damaged skin caused by dryness or sun exposure.
A high-performance extreme repair serum for sensitive, aging, and acne-prone skin. This R9 probiotic serum is designed as a skin repair serum that boosts resilience, strengthens the barrier, and improves long-term skin health. It is trusted as one of the best serums for sensitive skin, a recommended serum for sensitive skin dermatologist recommended, and a go-to choice in skincare for sensitive skin.
Shields skin from damage,
locks in moisture.
Lets irritants in, causes
water loss and skin issues.

Extreme Repair Serum
Repairing essence for sensitive, aging, and acne-prone skin.
Boosts resilience and long-term skin health.

5% Provitamin B5
Repairs skin’s natural barrier.

3% Shengchuan
Lotus Extract
Plant-based actives rich in polyphenols, flavonoids, and anthocyanins.


1% BioStine LB37
12-strain probiotic yeast restores skin’s microecology, strengthens barrier, and targets acne and aging.
Sensitive, Aging
Acne Skin
Healthy Skin
The entire ingredient composition is very straightforward and transparent,
with only 9 kinds. The design concept is to meet the needs of the
skin and eliminate unnecessary ingredients that are of little significance to the skin.
| Active ingregient | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| PANTHENOL | Provitamin B5 | ||||||||
| BIFIDA FERMENT LYSATE & LACTOBACILLUS/SOYBEAN FERMENT EXTRACT | Bifida Ferment Filtrate & Lactobacillus/Soybean Ferment Extract |
||||||||
| Active Plant Extracts | |||||||||
| KALANCHOE SPATHULATA EXTRACT | Raw Chuanlian Extract | ||||||||
| Moisturizing & Emollient ingregient | |||||||||
| BUTYLENE GLYCOL | Butanediol | ||||||||
| PROPYLENE GLYCOL | Propylene Glycol | ||||||||
| Water | |||||||||
| Water | Water | ||||||||
| Save system | |||||||||
| PHENOXYETHANOL | Phenoxyethanol | ||||||||
| CAPRYLYL GLYCOL | Caprylyl Glycol | ||||||||

Expiry Date: 12 January 2026
Country of Origin: Taiwan
Manufacturer & Packer: BEAUTY-FACTOR BIOCHEMICAL TECHNOLOGY CO., LTD.
Address: 6F., No. 6, Ln. 270, Sec. 3, Beishen Rd., Shenkeng Dist., New Taipei City, Taiwan
Imported & Marketed By: Digital Doctor Pvt. Ltd.
Address: M/s Digital Doctor Private Limited, Flat No. 252-J, First Floor, Cabin No. 203 Sant Nagar East of Kailash New Delhi, Delhi (India) – 110065
Customer Care number: +91 99586 66309
Email: customercare@digidoctor.cc