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Moumoujus

LAVANDULA SPICA FLOWER OIL.

Questionable CAS 97722-12-8 / FRAGRANCE

LAVANDULA SPICA FLOWER OIL, also known as Spike Lavender Oil, is a botanical extract with recognized antiseptic, anti-inflammatory, and antioxidant properties. While offering benefits for skin nourishment, soothing, and sebum regulation, its inclusion in formulations necessitates caution due to documented irritation and sensitization risks, alongside potential cytotoxicity.

Summary

Antiseptic Anti-inflammatory Antioxidant Antimicrobial Antibacterial Soothing Healing Skin Nourishing Purifying Astringent Sebum Regulating Mattifying Restorative Radiance Enhancing Clarifying Calming Redness Blemish Control Wound Healing Support Collagen Production Support (indirectly, via related species studies) Fibroblast Proliferation Support (indirectly, via related species studies) Scar Prevention (indirectly, via related species studies) Perfuming

Science

Mechanism of Action

Spike Lavender Oil exerts its effects through a multifaceted approach, acting as an antiseptic, anti-inflammatory, and antioxidant agent. It contributes to skin healing by soothing minor injuries and damaged skin, potentially assisting in the management of inflammatory conditions such as eczema and psoriasis. Its antimicrobial and antibacterial activities are notable, helping to mitigate blemish-causing microbes by inhibiting quorum sensing. The oil also supports skin purification, exhibits astringent qualities, and aids in sebum regulation, which can contribute to a mattified appearance in oily skin. Furthermore, studies on related lavender species (Lavandula angustifolia) suggest a role in wound repair, including promoting fibroblast proliferation, enhancing collagen and growth factor (TGF-beta, FGF-2, EGF) levels, and inhibiting PAI-1 to potentially reduce scar formation.

Research

Clinical Evidence

Low confidence
Effective range ≤2%%
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Essential oils like LAVANDULA SPICA FLOWER OIL are highly prone to autoxidation upon air exposure, which facilitates the formation of strong contact allergens. Optimal stability is achieved with storage at room temperature, as high heat can induce evaporation and degrade the oil's integrity.

Conflicts

  • Exposure to air (leads to autoxidation and strong allergen formation)
  • High concentrations (risk of cytotoxicity and skin irritation)
  • Direct application to mucous membranes or the eye area
  • Combination with other potentially sensitizing fragrance ingredients

Safety

Safety Profile

CIR Status
Insufficient data
Max tested
2%%
Sensitization risk High

The Cosmetic Ingredient Review (CIR) Expert Panel currently classifies LAVANDULA SPICA FLOWER OIL with insufficient data for a comprehensive safety assessment. Significant safety concerns include a high potential for irritant and allergenic skin reactions. Common constituents, linalool and linalyl acetate, are known to autoxidize when exposed to air, forming potent contact allergens. A nine-year Japanese study reported an increase in lavender oil sensitivity, with up to 13.9% of subjects experiencing contact dermatitis. Furthermore, in vitro studies using Lavandula angustifolia oil demonstrated cytotoxicity to human skin cells at concentrations as low as 0.25% (v/v). Lavender oil, as a class, has also been identified as a potential endocrine disruptor. It contains several biochemical compounds recognized for their allergenic potential, including linalool, geraniol, limonene, and coumarin.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

Given the significant safety concerns regarding irritation, high sensitization risk, potential cytotoxicity at low concentrations (for a related species), and endocrine disruption, combined with insufficient specific safety data for LAVANDULA SPICA FLOWER OIL, its benefits must be weighed against its notable risks, rendering its inclusion questionable for precision skincare formulations.

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