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Moumoujus

COLLOIDAL DIAMOND.

Insufficient Data CAS 7782-40-3 / SKIN PROTECTING

Colloidal Diamond, particularly in its nanocrystalline form, is a precision ingredient known for its high absorption capacity, enabling deep penetration into skin cells. It works to enhance skin texture, reduce visible signs of aging, and impart a luminous glow, functioning as both a skin conditioning and protecting agent.

Summary

Skin Conditioning Skin Protecting Anti-aging Texture Enhancer Radiance Enhancer Natural Exfoliant

Science

Mechanism of Action

Nanocrystalline colloidal diamond particles exhibit a superior absorption rate, facilitating the delivery of active ingredients deep within skin cells. This mechanism contributes to the visible reduction of aging signs and an improvement in overall skin texture, resulting in an illuminated complexion. Furthermore, these particles may offer protection by reflecting and scattering UV radiation, acting as potential sunscreen filters. They also play a role in natural exfoliation and preventing excessive keratinization by regulating apoptosis at a molecular level.

Research

Clinical Evidence

Medium confidence
Effective range 0.5–25%
Optimal

N/A

Key findings

  1. 01 In studies on reconstructed human epidermis, diamond nanoparticles at 0.5 μg/mL demonstrated a positive influence on cellular proliferation and metabolic activity, suggesting regenerative potential.
  2. 02 At a concentration of 25 μg/mL, these nanoparticles exhibited excellent biocompatibility, causing no adverse impact on the viability or morphology of keratinocyte cultures and showing an absence of irritant properties or significant pro-inflammatory/allergic responses.

Transparency

Dusting Analysis

Not commonly dusted

There is no available research data specifically addressing the 'dusting' phenomenon or associated thresholds for Colloidal Diamond in cosmetic formulations.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Research indicates engineered colloidal cubic diamond structures are stable across an exceptionally broad pH range of 0 to 14 in aqueous media. However, specific optimal pH ranges for 'Colloidal Diamond' stability in cosmetic formulations are not yet established.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has not conducted a specific safety assessment for 'Colloidal Diamond'. Similarly, the Scientific Committee on Consumer Safety (SCCS) has not provided a conclusive safety assessment for its nano-form, citing a lack of specific data for nanomaterials. In the U.S., cosmetic product safety is primarily the responsibility of the manufacturers, as pre-market FDA approval is not required for ingredients other than color additives.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

Colloidal Diamond shows promising preliminary benefits for skin conditioning and rejuvenation, but a comprehensive regulatory safety assessment for its nano-form is still pending.

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