ORY® product lines:
☑ Skincare (antioxidant)
☑ Haircare (hero — clinical evidence)
☒ Handmade Soap (oxidizes; rinse-off waste)
◐ Cosmetics (limited: antioxidant in night products) — haircare-led active
Procyanidin B2 is an oligomeric proanthocyanidin — a dimer of epicatechin — concentrated in unripe apples, and it is one of the few botanical compounds with a coherent human evidence trail for hair growth. Japanese researchers first showed that apple procyanidins stimulated hair-epithelial-cell growth and induced anagen in mice, with B2 the most active fraction [1]; a first clinical trial of a 1% topical procyanidin B2 tonic increased hair counts versus placebo [2]; a follow-up double-blind study confirmed increased total and terminal hairs after six months [3]; and a 12-month extension showed continued benefit [4]. Its mechanism involves protein kinase C isozyme regulation in hair cells and suppression of TGF-β signaling, and it is a strong antioxidant in its own right. Light- and oxidation-sensitive, it is formulated in protected scalp tonics and night antioxidant products, not in soap.
What is Procyanidin B2 made of?
Procyanidin B2 is extracted from unripe apple (or grape seed / cocoa) and purified by chromatography, or used as a standardized apple-procyanidin extract. Points to know [1, 3]:
- Epicatechin dimer (B-type linkage): Flavan-3-ol oligomer; potent antioxidant.
- Hair mechanism: Selective PKC modulation in hair epithelial cells; TGF-β suppression; anagen induction [1].
- Physical form: Off-white to reddish powder; water/ethanol-soluble; oxidizes and browns in light and air.
- Stability: pH 3–6; antioxidant partners (vitamin E, ascorbyl derivatives); opaque airless packaging; cool-down addition.
- Typical use: 0.7–1% scalp tonics (trial levels); 0.1–0.5% skincare.
What skin type is best suited for Procyanidin B2?
Procyanidin B2 is an antioxidant for all seven ORY® skin types, secondary to its scalp role:
- Mature: Proanthocyanidin antioxidant; collagen protection.
- Normal: Night antioxidant defense.
- Combination: Light antioxidant serums.
- Sensitive: Anti-inflammatory; patch test.
- Oily: Water/ethanol-based serums.
- Acne-prone: Antioxidant, anti-inflammatory support.
- Dry: In night creams with emollients.
What hair type is best suited for Procyanidin B2?
Procyanidin B2 is ORY®‘s clinically evidenced apple-derived scalp active:
- Mature or thinning: The core use — increased hair counts in a placebo-controlled trial [2], confirmed double-blind at 6 months [3], sustained at 12 months [4]; cosmetic “fuller-looking hair” claims.
- Straight, wavy, curly, coily: Leave-on tonic for all textures.
- Sensitive scalp: Well tolerated in trials.
- Oily scalp: Ethanol/glycol tonic base suits.
- Dandruff-prone, dry or damaged, color-treated: Scalp-focused; neutral for the fiber.
What are the benefits of Procyanidin B2?
Procyanidin B2’s benefits are supported by laboratory and clinical studies [1–4]:
- Hair growth support: Increased hair counts in placebo-controlled and double-blind human trials [2, 3]; sustained at 12 months [4].
- Anagen induction: Hair-cell proliferation and anagen in mice [1].
- Antioxidant: Potent proanthocyanidin radical scavenging.
- Anti-inflammatory: Reduces inflammatory signaling.
- Collagen protection: Antioxidant defense of dermal matrix.
- Non-hormonal: Complementary to saw palmetto; suitable for women.
- Natural source: Apple-derived.
Dual use across ORY® product lines
Procyanidin B2 is a leave-on active for haircare and skincare, with limited cosmetics use; soap destroys it.
| ORY® line | Dual use? | How it is used | Typical level |
|---|---|---|---|
|
ORY® Skincare |
Yes |
Night antioxidant serums and creams (secondary role). |
0.1–0.5% |
|
ORY® Haircare |
Yes |
Leave-on scalp tonics and ampoules for thinning hair (0.7–1%), with caffeine and adenosine. |
0.7–1% |
|
ORY® Handmade Soap |
No |
Oxidizes at alkaline pH; rinse-off waste. |
— |
|
ORY® Cosmetics |
Limited |
Night-wear antioxidant balms. |
0.1% |
Pros and cons of Procyanidin B2
Pros
Cons
- Placebo-controlled and double-blind hair trials: [2–4].
- Clear mechanism: [1].
- Non-hormonal: Broad suitability.
- Antioxidant bonus: Skin use.
- Natural, apple-derived: Botanical story.
- Oxidation and light sensitivity: Careful formulation and packaging.
- Cost: Purified B2 is expensive; standardized extracts are the practical form.
- Trials were small and single-center: Cosmetic claims only.
- Color: Reddish-brown; can tint.
- No soap role: Alkaline instability.
What is the best application of Procyanidin B2?
Procyanidin B2 is a nightly scalp tonic active:
- Scalp tonic: 1% in an ethanol/propanediol base with vitamin E; twice daily on thinning areas for 6–12 months [2–4].
- Combination tonic: 0.7% with 0.2% caffeine and 0.5% adenosine.
- Night antioxidant serum: 0.3%.
- Cosmetics: 0.1% in a night balm.
Peer-reviewed references
- Takahashi T, Kamiya T, Hasegawa A, Yokoo Y. Procyanidin oligomers selectively and intensively promote proliferation of mouse hair epithelial cells in vitro and activate hair follicle growth in vivo. Journal of Investigative Dermatology. 1999;112(3):310–316.
- Takahashi T, Kamimura A, Yokoo Y, Honda S, Watanabe Y. The first clinical trial of topical application of procyanidin B-2 to investigate its potential as a hair growing agent. Phytotherapy Research. 2001;15(4):331–336.
- Kamimura A, Takahashi T, Watanabe Y. Investigation of topical application of procyanidin B-2 from apple to identify its potential use as a hair growing agent. Phytomedicine. 2000;7(6):529–536.
- Takahashi T, Kamimura A, Kagoura M, Toyoda M, Morohashi M. Investigation of the topical application of procyanidin oligomers from apples to identify their potential use as a hair-growing agent. Journal of Cosmetic Dermatology. 2005;4(4):245–249.
Disclaimer:
The information on this page is provided by ORY International, LC for educational purposes only. It summarizes published research about procyanidin B2 as an ingredient, including laboratory and animal studies and clinical studies of formulas that may differ from ORY® products. Results from these studies may not apply to every person or to ORY® products. This page is not medical advice and does not replace advice from a dermatologist, physician, or other qualified healthcare provider.
ORY® Skincare, Haircare, Handmade Soap, and Cosmetics products are cosmetics. They are not intended to diagnose, treat, cure, mitigate, or prevent any disease or condition, including hair loss, androgenetic alopecia, thinning hair, wrinkles as a medical condition, or any other condition. References to FDA or Cosmetic Ingredient Review (CIR) findings describe the ingredient, not ORY® products, and do not mean FDA has reviewed or approved any ORY® product.
Results vary by skin and scalp type, formulation, and use. Procyanidin B2 is rarely irritating. Any cosmetic can cause irritation, sometimes from other ingredients. Always patch test, follow label directions, and stop use if irritation occurs. If you are pregnant, nursing, have a medical condition, or are buying for a child, consult a healthcare provider before use.
ORY International, LC works to keep this page accurate and current but makes no warranty as to its completeness. To the fullest extent permitted by law, ORY International, LC is not liable for any loss or injury arising from reliance on this information or from use of any product contrary to its label directions. To report a reaction, contact us at [insert contact email / phone].
