
Hair Growth Seripiprant Raw Powder CAS 866460-33-5
Setipiprant is a selective prostaglandin D₂ (PGD₂) receptor 2 antagonist, specifically targeting the CRTH2 receptor (also known as DP2). It was originally developed for allergic and inflammatory diseases such as asthma and allergic rhinitis, and later gained strong attention in hair-loss research, particularly for androgenetic alopecia. Setipiprant works by blocking PGD₂ signaling, a pathway known to suppress hair follicle growth.
- Product Introduction
What Is Setipiprant (CAS 866460-33-5)?
Setipiprant is a selective prostaglandin D₂ (PGD₂) receptor 2 antagonist, specifically targeting the CRTH2 receptor (also known as DP2). It was originally developed for allergic and inflammatory diseases such as asthma and allergic rhinitis, and later gained strong attention in hair-loss research, particularly for androgenetic alopecia.
Setipiprant works by blocking PGD₂ signaling, a pathway known to suppress hair follicle growth.
Setipiprant Benefits
- Counteracts PGD₂-induced hair growth inhibition
- Supports longer anagen phase
- Complements non-hormonal hair-growth strategies
- Does not interfere with androgen or DHT pathways
- Useful in combination hair-loss research protocols
Mechanism of Action
PGD₂ Pathway Inhibition
Prostaglandin D₂ (PGD₂) is found at elevated levels in balding scalp tissue and is known to:
- Inhibit hair follicle growth
- Shorten the anagen (growth) phase
- Promote follicle miniaturization
Setipiprant blocks PGD₂ binding to the CRTH2 receptor, preventing these inhibitory effects.
Promotes Hair Follicle Activity
By removing PGD₂-mediated suppression, Setipiprant allows:
- Hair follicles to re-enter the growth phase
- Improved follicle size and activity
- Enhanced hair shaft production

Setipiprant Applications
- Androgenetic alopecia research
- Hair follicle biology studies
- Prostaglandin signaling research
- Inflammatory disease research
- Dermatology & trichology studies
⚠️ For laboratory research use only. Not approved for human or veterinary use.
Why Setipiprant Is Important?
- Addresses a distinct hair-loss pathway (PGD₂)
- Complements androgen-focused treatments
- Well-characterized safety profile in prior clinical research
- High relevance in next-generation hair-loss therapy development
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