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Moumoujus

MENTHA PIPERITA LEAF WATER.

Valuable CAS 84082-70-2 / SKIN CONDITIONING

Mentha Piperita Leaf Water, derived from peppermint leaves, offers a refreshing and calming sensation while contributing to skin health. It is valued for its astringent and antioxidant properties, helping to balance oily skin and protect against environmental stressors. Research suggests its potential in addressing signs of skin aging.

Summary

skin conditioning fragrance perfuming cooling calming anti-inflammatory antioxidant astringent

Science

Mechanism of Action

This ingredient provides a notable cooling and calming effect, primarily due to menthol content. Its proposed mechanisms include reducing inflammation, soothing irritation, and exhibiting antimicrobial properties. Mentha Piperita Leaf Water acts as an antioxidant, safeguarding skin from free radical damage, and offers an astringent action to help tighten pores and regulate excess oil. Furthermore, studies indicate its capacity to suppress extracellular adenosine triphosphate (eATP) levels, a factor associated with dermal thinning and wrinkle formation.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Improved dermal thinning and wrinkles
  2. 02 No ocular or palpebral irritation (safety study)

Transparency

Dusting Analysis

Not commonly dusted

Data not available regarding 'dusting' practices for this ingredient.

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 4.7
0 7 14

Stability

Mentha Piperita Leaf Water (peppermint hydrosol) typically exhibits a slightly acidic pH, ideally stable within the range of 4.0 to 4.7.

Conflicts

  • Due to potential high menthol content, formulators should conduct patch testing for individuals with sensitive skin, as irritation may occur at elevated concentrations.
  • Menthol, a significant component, is known to enhance the dermal penetration of other cosmetic ingredients, a factor that must be carefully evaluated for its impact on overall formulation safety and efficacy.
  • Some peppermint hydrosols containing notable levels of terpenic ketones (e.g., menthone) are contraindicated for use in formulations intended for pregnant or breastfeeding women, and children under 3 years of age, unless specific certification of being free from such compounds is provided.
  • When combining multiple botanical extracts, manufacturers must ensure that the cumulative concentration of active botanical constituents does not lead to sensitization or other adverse skin reactions in the final product.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
pulegone < 1%%
Pregnancy
Caution
Sensitization risk Moderate

The CIR Expert Panel deems Mentha Piperita (Peppermint) Leaf Water safe for cosmetic use, provided the concentration of pulegone remains below 1%. While generally recognized as safe for food by the FDA, formulators must be aware that menthol can increase the penetration of other ingredients. Isolated cases of irritation or sensitization to peppermint oil or its components have been reported. Specific hydrosols with high terpenic ketones may not be suitable for pregnant/breastfeeding individuals or young children.

Your Skin

Skin Compatibility

Yes Normal
No Dry
Yes Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Mentha Piperita Leaf Water is a valuable ingredient, offering cooling, astringent, and antioxidant benefits, with potential anti-aging effects, but requires careful formulation and consideration for sensitive skin and specific populations due to its menthol content and potential for enhanced penetration.

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