Get a Free 5ml Mini Now Free 5ml Mini With Every Order of The Mantle
Moumoujus

CAPSAICIN.

Valuable CAS 404-86-4 / FRAGRANCE, SKIN CONDITIONING

Capsaicin is a highly active alkaloid derived from chili peppers, utilized in precision skincare for its unique ability to modulate sensory nerve responses. It serves as a potent external analgesic and anti-pruritic agent, offering specialized relief for localized discomfort and persistent itching.

Summary

External Analgesic Anti-Pruritic Skin-Conditioning Vasodilator

Science

Mechanism of Action

It functions as a selective agonist for TRPV1 receptors on cutaneous sensory neurons. Upon application, it triggers a controlled release of neuropeptides like Substance P, initially causing a warming sensation; however, sustained use leads to the 'defunctionalization' of nerve endings, effectively desensitizing the area to pain and itch signals.

Research

Clinical Evidence

High confidence
Effective range 0.025–0.1%
Optimal

0.075%

Key findings

  1. 01 Concentrations of 0.075% applied four times daily over 3 weeks demonstrated significant degeneration of epidermal nerve fibers, reducing sensitivity to tactile stimuli.
  2. 02 In dermatological applications, 0.05% concentration achieved a 40% success rate in providing substantial relief from pruritus in atopic dermatitis patients.
  3. 03 Low-dose applications (0.025%–0.1%) over 2–6 weeks showed measurable improvements in neuropathic and musculoskeletal discomfort.

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
0.025%
Red flag below
0.01%

Because capsaicin is physiologically active at extremely low concentrations, 'dusting' is rare; however, any inclusion below 0.025% likely lacks the potency required to achieve the desensitization mechanism necessary for clinical results.

The Formula

Formulation

Solubility
Oil
Optimal pH 6 – 7
0 7 14

Stability

Capsaicin is highly lipophilic and remains stable at room temperature when protected from light. It is most stable at a neutral pH of 7.0, as acidic environments can accelerate molecular degradation.

Synergies

  • Lipids
  • Emollients
  • Non-occlusive soothing bases

Conflicts

  • Occlusive dressings
  • Heat lamps
  • Broken or infected skin
  • Mucous membranes

Safety

Safety Profile

CIR Status
Safe as used
Max tested
5%
Sensitization risk High

While CIR considers it safe up to 5%, OTC analgesic use is typically capped at 0.1% to manage irritancy. Concentrations at 8% are classified as prescription-only medical devices.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
No Sensitive
Irritancy High
Comedogenicity Low

Our Assessment

Verdict

Valuable

A powerful, evidence-based ingredient for targeted sensory modulation and pain management, though its high irritancy profile requires precise formulation and restricted use on sensitive skin.

Related

Similar Ingredients

Finding similar ingredients…