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Moumoujus

LAMINARIA DIGITATA EXTRACT.

Valuable CAS 90046-12-1 / SKIN PROTECTING

Laminaria Digitata Extract, derived from brown seaweed, is a powerful multi-functional ingredient. It delivers comprehensive skin benefits, ranging from intense hydration and antioxidant protection to anti-aging and sebum-regulating properties. This extract is well-regarded for its ability to enhance overall skin health and appearance.

Summary

Antioxidant Humectant Skin-Restoring Soothing Anti-inflammatory Hydrating Moisturizing Anti-aging Skin Protection Detoxifying Brightening Sebum Regulating Barrier Support Cell Regeneration

Science

Mechanism of Action

This extract functions primarily as a robust antioxidant, actively neutralizing free radicals and shielding skin from environmental damage. It provides significant soothing and anti-inflammatory effects, effectively reducing redness and irritation. Rich in amino acids, proteins, sugars, vitamins, and minerals, it acts as a potent humectant, drawing and retaining moisture to deeply hydrate the skin and fortify its natural barrier. Its anti-aging capabilities stem from improved skin elasticity, reduction of fine lines, promotion of cellular regeneration, and stimulation of hyaluronic acid production. Additionally, it offers photoprotection, assists in detoxifying the skin by eliminating impurities, and helps to brighten skin tone by inhibiting tyrosinase, an enzyme involved in melanin synthesis. For acne-prone skin, it helps manage inflammation and sebum production, and emerging research suggests a potential role in cellulite prevention by supporting skin metabolism.

Research

Clinical Evidence

Medium confidence
Effective range 0.0001–5%
Optimal

N/A

Key findings

  1. 01 A topical formulation containing Laminaria digitata, among other seaweeds, showed clinically significant reductions in localized fat accumulation parameters (skin and fat thickness) when applied daily over four weeks.
  2. 02 Oligosaccharides derived from Laminaria digitata were clinically proven to mitigate acne vulgaris by decreasing sebum production and reducing the abundance of P. acnes bacteria.

Transparency

Dusting Analysis

Not commonly dusted

Given its wide general usage range of 0.0001% to 5% and the diverse, potent benefits demonstrated, Laminaria Digitata Extract is unlikely to be 'dusted.' Even at lower concentrations within this range, it can contribute meaningfully to formulary claims, especially when combined with other actives.

The Formula

Formulation

Solubility
Both
Optimal pH 5 – 7
0 7 14

Stability

For optimal stability and efficacy, Laminaria Digitata Extract performs best within a pH range of 5.0 to 7.0. Certain botanical extracts are processed via cold methods to mitigate potential heat-induced degradation. If utilizing an oily maceration, such as Oil of Algae from Laminaria digitata, it should be incorporated into the oily phase at temperatures between 20°C and 50°C.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has affirmed Laminaria Digitata Extract as safe for use in cosmetics at current concentrations and practices. The Panel's evaluation supports the safety of related ingredients from the same genus and species if sufficient data exists for one. General usage levels span from 0.0001% to 5%, adaptable to specific product needs.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Laminaria Digitata Extract is a highly valuable ingredient due to its broad spectrum of clinically supported benefits, excellent safety profile, and suitability for all skin types.

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