B5 Yeast Extreme Repair Serum R9
Skincare Products for Sensitive Skin
Bifida Ferment Filterate Serum With Provitamin B5
B5 Yeast Extreme Repair Serum R9
Skincare Products for Sensitive Skin
Bifida Ferment Filterate Serum With Provitamin B5

B5 Yeast Extreme Repair Serum R9+ (10 ml)

( 18 )

R9+ B5 Yeast Extreme Repair Serum is designed for sensitive, fragile, and irritated skin, providing extreme skin barrier repair while helping to calm redness and restore balance caused by dryness and environmental stress.

Formulated with Pro-vitamin B5, Shengchuan Lotus Extract, and Lactobacillus Soybean Ferment Extract, this probiotic-based serum provides intensive hydration while supporting barrier repair and healthier, more resilient skin.

Lightweight and suitable for daily use, R9+ works as the foundation serum in the PAL routine, preparing the skin before applying targeted serums. Following PAL’s philosophy of essential actives in precise ratios, it delivers effective barrier repair without unnecessary ingredients.

M.R.P: ₹ 990
inclusive of all taxes
Quantity​
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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.

Stratum Corneum Epidermis Dermis

Microecological Barrier

The skin has its own natural ecosystem of good microorganisms, tissues,
and secretions. When this delicate balance is disturbed, it can lead to
irritation, discomfort, or other skin issues.
A strong barrier and balanced micro-ecosystem, supported with a dermatologist
recommended serum for sensitive skin, helps skin protect, repair, and stabilise itself.

Extreme Repair Serum

B5 YEAST ULTIMATE REPAIR EXTRACT R9+

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

1 Repairs
Physical Barrier

Niacinamide

5% Provitamin B5
Repairs skin’s natural barrier.

Niacinamide

3% Shengchuan
Lotus Extract

Plant-based actives rich in polyphenols, flavonoids, and anthocyanins.

PR13 Serum Bottle

2Balances the
Micro-Ecological Barrier

Niacinamide

1% BioStine LB37
12-strain probiotic yeast restores skin’s microecology, strengthens barrier, and targets acne and aging.

Enlarged Pore Tissue

Sensitive, Aging
Acne Skin

Enlarged Pore Tissue
Reduced Pore Tissue

Healthy Skin

General Repair
Serums

  • Mostly hydrate and
    soothe
  • Lack support for skin’s
    ecosystem
  • Short-term
    comfort

B5 Yeast Ultimate Repair
Extract R9+

  • Repairs skin damage at a
    deeper level
  • Strengthens skin’s natural
    defense system
  • Boosts long-term skin
    health and resilience
no added
Alcohol
Spices
Pigment
Silicone
Lanolin
Mineral
Oil
Talcum
Powder
PARABEN
class
preservative
SLS/SLES
Surfactant
BHA/BHT
Synthetic
Antioxidants
PEGs
Surfactant
Animal
Experiments
Comedogenic
Formula

PUBLIC ANALYSIS OF ALL INGREDIENTS

B5 Yeast Ultimate Repair Extract R9+

 

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.

Full Score 9
Active Ingredient 2 / Active Plant Extract 1
Active ingredient
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 ingredient
BUTYLENE GLYCOL Butanediol
PROPYLENE GLYCOL Propylene Glycol
Water
Water Water
Preservative System
PHENOXYETHANOL Phenoxyethanol
CAPRYLYL GLYCOL Caprylyl Glycol
Real Product Ingredient Test Report - B5 Yeast Extreme Repair Serum R9+
With lactobacillus soybean ferment extract, shengchuan lotus extract, and Provitamin B5, this is widely trusted as the best serum for sensitive skin, an extreme repair serum, and one of the top dermatologist recommended skin care products for sensitive skin.

 

Expiry Date: 23 December 2028
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

 

What Makes This Skin Barrier Repair Serum Effective?

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The B5 Yeast Extreme Skin Barrier Repair Serum R9+ is designed to provide targeted hydration while supporting the skin barrier. Its lightweight texture makes it easy to layer with other everyday skincare products.

  • Supports skin barrier repair

    Helps maintain the skin's protective barrier.

  • Provides hydration

    Helps replenish moisture without a heavy feel.

  • Supports sensitive skin

    Designed to provide gentle daily barrier care.

  • Lightweight formula

    Sits comfortably under other skincare products.

  • Daily use

    Can be incorporated into morning and evening routines across different skin types.

How This Skin Barrier Repair Serum Works

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A skin barrier repair serum works by delivering hydrating and barrier-supporting ingredients to the skin. The lightweight formula absorbs quickly and helps replenish moisture while supporting the skin's natural protective function. Consistent use can help reinforce the skin barrier and improve hydration and repair. As barrier recovery progresses, skin may feel smoother, softer, and more resilient. Adding a serum to a consistent routine can complement moisturizer use and provide targeted support when the skin feels dry, tight, or easily stressed.

Major Benefits of Using This Serum Daily

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Using a skin repair serum consistently can support several aspects of skin health, particularly when dryness or a weakened barrier is a concern.

  • Supports skin barrier repair

    Helps maintain the skin's protective function.

  • Improves hydration

    Helps the skin retain moisture for longer.

  • Minimizes dryness

    Supports softer and more comfortable-looking skin.

  • Improves texture

    Regular hydration can make rough skin feel smoother.

  • Boosts resilience

    A well-supported barrier can help skin better handle everyday environmental stressors.

Serum Usage & Routine Tips

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Adding this skin barrier repair serum to your routine is simple. Apply it after cleansing and before moisturizer so the serum can provide targeted hydration as part of your skincare routine. A few drops are generally enough to cover the face without excessive layering. It can be used in the morning and evening according to your routine and the product directions. Applying serum to slightly damp skin may also help support hydration. During the daytime, finish with sunscreen to protect the skin from UV exposure.

How to Apply Skin Barrier Repair Serum R9+

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  • 1. Cleanse: Gently cleanse your face to remove dirt and buildup.
  • 2. Apply serum: Use a few drops on clean, slightly damp skin.
  • 3. Massage gently: Spread the serum evenly until it is absorbed.
  • 4. Moisturize: Follow with your preferred moisturizer.
  • 5. Use morning and night: Maintain a consistent routine for ongoing barrier support.
  • 6. Daytime protection: Layer sunscreen over your skincare routine in the morning.

Frequently Asked Questions

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  • What does a skin barrier repair serum do?

    A skin barrier repair serum provides targeted hydration and supports the skin's protective barrier. It can be particularly useful when skin feels dry, tight, rough, or uncomfortable.

  • How is this different from a moisturizer?

    A serum usually has a lightweight texture and delivers concentrated skincare ingredients, while a moisturizer primarily helps hydrate the skin and reduce moisture loss.

  • Can I use this serum with other activities like retinol?

    It may be possible to use a barrier-supporting serum alongside actives such as retinol. Introduce active products gradually and follow the directions for each product to reduce the chance of irritation.

  • Is this suitable for sensitive skin?

    The serum is designed for daily barrier care, but individual skin can react differently. Patch testing a new product before regular use is a sensible precaution for sensitive skin.

  • How long before I see results?

    Results can vary depending on your skin and routine. Hydration may feel improved relatively quickly, while visible changes in texture and barrier condition generally require consistent use over time.

Product capacity
10ml / 0.34FL.OZ.
Purpose
Soothes and repairs the skin.
Usage instructions
Optimized Efficiency: To simplify your routine, our 30ml-capacity essence bottles are specifically designed with extra space. Pour the Repair Essence R9+ (10ml) directly into any Essence (20ml) bottle to create a powerful combined formula. One bottle, one step, total skin repair.

▪Customization: After toner, you may use the "All-in-one" mixture, or apply R9+ individually as needed.
▪Technique: Smooth over face and neck until fully absorbed before applying cream.
▪Freshness Note: When using with Pers. Active Lab Essences (H20, A18, RV24), please mix and shake well immediately after opening for optimal results.
Expiration date/Storage method
Unopened shelf life: 3 years. After opening, it is recommended to use within 6 months. Please store in a cool, dry place, and avoid high temperatures and direct sunlight.
Notes
◎ This product is for external use only. Avoid contact with eyes, mouth, nose, and mucous membranes. In case of accidental contact, rinse with water immediately. Avoid applying to the skin around the eyes.
◎ For individuals with sensitive skin, perform a patch test before use.
◎ Do not use on damaged, wounded, or swollen skin.
◎ Not suitable for infants and children.
◎ Discontinue use if skin shows any abnormal reactions.
◎ Temporary mild tingling or tightness after use is normal. If persistent redness or adverse reactions occur, seek medical attention.
◎ Variations in color and scent due to plant extracts are normal and do not affect product efficacy within the expiration date. Please use it with confidence.
◎ This is a personal consumable item. Only defective products can be exchanged or refunded.
◎ When returning items, ensure that the original product, gifts, and outer packaging are intact.
◎ Items that have been opened, used, altered, or damaged outer packaging cannot be exchanged or refunded.
Product Rating
4.4
(18)
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Product Reviews​
Dr Praveen Sodhi, Laparoscopic Surgeon
2026-04-22
Based on my experience with Perfective Labs, I find the formulations to be well-designed and clinically sound. Having used R9 Plus, and RV24, I observed consistent improvements in skin quality, including signs of aging, sensitivity, and tone uniformity. The products demonstrate good tolerability and reflect a thoughtful, science-driven approach to skincare.
Joseph L
2026-04-01
Good product and I’m satisfied with the quality. The delivery could have been quicker, and I feel the quantity could be slightly higher.
Gopikant H
2026-03-30
Overall, I had a positive experience. The product itself was good, but the delivery took some time. With faster delivery, I would be even happier with the purchase.
Samantha
2026-03-30
The product was good and reached me safely. However, I felt the delivery process could have been faster. If the delivery time improves, the overall experience would be even better.
Karthik Sonu
2026-02-23
First-Time Purchase — 3★ This was my first purchase and overall I’m happy with the product. It took a little longer than expected to reach me, but the product itself was good.