Science
Mechanism of Action
This botanical hydrosol functions through several distinct mechanisms. Its natural astringency aids in toning the skin and minimizing the visible appearance of pores. With a rich flavonoid profile, it supports enhanced skin elasticity and hydration. The ingredient exhibits anti-inflammatory qualities, which help calm irritation and diminish redness. Furthermore, its antimicrobial action contributes to managing skin bacteria and inflammation, making it beneficial for acne-prone skin, while also assisting in the regulation of sebum production and providing antioxidant defense against free radical damage.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Cupressus sempervirens essential oil demonstrated significant virucidal effects against HSV-1, with reductions of 68.0% and 53.2% at 1:32 and 1:64 dilutions, respectively.
- 02 Cupressus sempervirens essential oil totally inhibited the growth of antibiotic-susceptible and antibiotic-resistant Helicobacter pylori strains at a 0.1% (v/v) concentration.
- 03 Cupressus sempervirens essential oil exhibited strong antioxidant activity by reducing the DPPH radical by 50% at an IC50 of 290.09 μg mL-1.
- 04 Complete inhibition of Klebsiella pneumoniae cell viability was observed with Cupressus sempervirens essential oil at 250 μg (at 30 min) and methanol extract at 500 μg (at 120 min).
Transparency
Dusting Analysis
No specific data regarding dusting practices or thresholds is available for Cupressus Sempervirens Leaf Water in the provided research.
The Formula
Formulation
Stability
The ingredient is naturally acidic; related Cupressus sempervirens wood exhibits pH values ranging from 5.145 to 5.805, suggesting stability within typically acidic cosmetic formulations.
Safety
Safety Profile
The CIR Expert Panel has not specifically reviewed Cupressus Sempervirens Leaf Water. However, the SCCS of the EU Commission has assessed this substance, finding its use in cosmetics safe under specified regulatory conditions. It is generally well-tolerated across most skin types; nonetheless, a patch test is recommended for highly sensitive or allergy-prone individuals. The EWG indicates 'HIGH' use restrictions for this ingredient, yet notes 'LOW' concerns regarding cancer, allergies/immunotoxicity, and developmental/reproductive toxicity.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Cupressus Sempervirens Leaf Water is a valuable ingredient, offering antioxidant, antimicrobial, and soothing benefits with low irritation and comedogenicity, making it a versatile addition to diverse skincare formulations.
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