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ALGAE EXTRACT.

Valuable CAS 92128-82-0 / 68917-51-1 / FRAGRANCE, HUMECTANT, ORAL CARE, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

Algae Extract, a marine-derived powerhouse, offers comprehensive benefits for skin health, ranging from deep hydration and barrier reinforcement to significant anti-aging effects. Its multifaceted action helps reduce hyperpigmentation, smooth wrinkles, and protect against environmental stressors for a revitalized complexion.

Humectant Emollient Skin conditioning Antioxidant Anti-aging Anti-inflammatory Skin brightening Antimicrobial Exfoliating Sebum regulating Photoprotective

Science

Algae Extract functions through a diverse range of biological pathways to enhance skin health. It acts as a potent antioxidant, meticulously neutralizing free radicals to mitigate oxidative stress, a primary contributor to premature cellular aging. Its anti-aging properties extend to reducing collagen-degrading enzymes and promoting nascent collagen synthesis, thereby enhancing skin elasticity and diminishing the appearance of fine lines and wrinkles. As a humectant and emollient, it efficiently draws and locks moisture into the stratum corneum, concurrently fortifying the skin’s natural barrier function. The extract also possesses anti-inflammatory capabilities, calming skin irritation and reducing erythema. Specific varieties exhibit tyrosinase inhibiting effects, contributing to a reduction in hyperpigmentation and dark spots for improved skin brightness. Furthermore, it demonstrates antimicrobial efficacy against blemish-causing bacteria, offers gentle exfoliation, and regulates sebum production, with certain brown and red algae extracts providing a degree of photoprotection by absorbing UV radiation.


Research

Medium confidence
Effective range 0.25–2.5%
Optimal

N/A

Key findings

  1. 01 Clinical trials demonstrated that an aqueous extract of Fucus vesiculosus at 0.3% significantly reduced the melanin index of age spots, enhanced skin brightness in 50% of volunteers, and improved wrinkle appearance in 45% of volunteers after 60 days of application.
  2. 02 Topical treatment with Blue Lagoon microalgae extracts, at concentrations of 0.25% and 2.5%, consistently reduced transepidermal water loss (TEWL) in human skin, indicating an improvement in skin barrier function and a capacity to prevent premature skin aging.

Transparency

Not commonly dusted

The provided research does not contain data to assess whether Algae Extract is commonly used at sub-efficacious concentrations (dusting). Clinical efficacy has been observed at concentrations as low as 0.25%.


The Formula

Solubility
Water
Optimal pH 4 – 6.5
0 7 14

Stability

No specific stability notes beyond the optimal pH range were provided in the research.


Safety

CIR Status
Not Reviewed by CIR
Sensitization risk Low

As a broad category, algae extract is generally recognized as safe for topical cosmetic application. It has not been associated with significant allergy, irritation, toxicity, or carcinogenicity. However, due to inherent biological variability within algae species and individual skin differences, patch testing is prudent for new product introductions.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Valuable

Algae Extract is a valuable, multifunctional ingredient, offering scientifically supported benefits across hydration, anti-aging, barrier support, and tone improvement with a low risk profile.


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