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Moumoujus

ROSMARINUS OFFICINALIS WATER.

Valuable CAS 84604-14-8 / FRAGRANCE

Rosmarinus Officinalis Water, derived from rosemary, provides comprehensive benefits through its antioxidant and anti-inflammatory properties. It is particularly effective in regulating sebum production and restoring the skin's natural equilibrium, leading to a more balanced and revitalized complexion.

Summary

Antioxidant Anti-inflammatory Sebum Regulation Toning Soothing Antimicrobial Collagen Booster Elasticity Enhancer Environmental Protector

Science

Mechanism of Action

This ingredient functions as a potent antioxidant, neutralizing free radicals and offering protection against environmental stressors, including the inhibition of MMP-9 and mitigation of pollutant-induced filaggrin loss. Its anti-inflammatory action is evidenced by the downregulation of pro-inflammatory cytokines such as IL-1β and TNF-α, contributing to skin soothing. Additionally, it acts as a natural astringent, helping to tighten and tone the skin while balancing excessive oil production, and exhibits antimicrobial efficacy against certain bacteria (*S. aureus*, *E. coli*) and dermatophytes. It further supports collagen synthesis, enhances skin elasticity and firmness, and promotes the regeneration of tired or damaged skin.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Rosmarinus officinalis water-soluble extract has demonstrated the suppression of IL1-α and IL-6, cytokines implicated in the upregulation of UV-induced MMP-1, suggesting a role in mitigating photoaging processes.
  2. 02 Rosmarinus Officinalis Water aids in skin moisturization and is effective in controlling excessive oil production, thereby helping to restore the skin's natural balance, making it especially suitable for oily or combination skin types.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 4.5 – 5.5
0 7 14

Stability

The optimal pH range for Rosmarinus Officinalis Water is inferred to be between 4.5 and 5.5, consistent with Rosmarinus Officinalis Extract. Formulators should be cognizant of the aromatic components inherent in rosemary-derived ingredients, which may induce skin sensitivity in some individuals. Products must therefore be designed to be non-sensitizing, with patch testing recommended prior to widespread use.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Rosmarinus Officinalis (Rosemary)-derived ingredients, including this water, are safe for use in cosmetics when formulated to be non-sensitizing. While no specific maximum concentration is established for Rosmarinus Officinalis Water itself, Rosmarinus Officinalis Extract is considered safe for topical application up to 5%. Aromatic constituents present a moderate risk of skin sensitivity or irritation in susceptible individuals, thus requiring patch testing. The U.S. FDA lists Rosemary as Generally Recognized As Safe (GRAS) for food use.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Rosmarinus Officinalis Water is a valuable ingredient due to its multifaceted antioxidant, anti-inflammatory, and sebum-regulating properties, making it beneficial for normal to oily skin types, though careful formulation is essential to minimize potential sensitization.

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References

Sources