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CRYSTALLINS.

Valuable CAS 11046-99-4 / HAIR CONDITIONING, SKIN CONDITIONING

Crystallins are crucial molecular chaperone proteins naturally present in the skin, integral to maintaining cellular proteostasis and resilience. They shield other vital proteins from aggregation and denaturation, bolstering the skin's defense against various stressors and contributing to enhanced hydration and luminosity.

Molecular Chaperone Protein Protection Stress Resistance Antioxidant Anti-inflammatory Hydration Skin Radiance

Science

Alpha-crystallins function as sophisticated molecular chaperones, actively preventing the misfolding and aggregation of other proteins within the skin, thereby ensuring cellular health and stability (proteostasis). This protective mechanism augments the cell's inherent resistance to stress, safeguarding epithelial cells by restoring mitochondrial functions and increasing their resilience against oxidative damage. Furthermore, α-crystallins mitigate the production of inflammation-driven oxygenated radical species and provide essential hydration through tight water binding, a critical function for maintaining skin tissues under low-humidity conditions. AlphaB-crystallin is a form specifically identified in skin tissues.


Research

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 A peptide (pal-KTFK) designed to induce the skin's endogenous α-crystallin production increased α-crystallin content by an impressive 61%.
  2. 02 At a higher concentration, the same α-crystallin-inducing peptide (pal-KTFK) further boosted α-crystallin content by 161%.

Transparency

Not commonly dusted

No specific data suggests that 'dusting' is a common practice or concern for Crystallins as a cosmetic ingredient.


The Formula

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Alpha-crystallins are generally characterized as water-soluble structural proteins. In biological contexts, αA crystallin demonstrates stability up to 100°C in solution, whereas αB crystallin may undergo protein denaturation above 60°C. The co-presence of αA crystallin can enhance the thermal stability of αB crystallin.


Safety

CIR Status
Not reviewed
Sensitization risk Unknown

No specific safety assessments for 'CRYSTALLINS' or 'Alpha-Crystallin' as direct cosmetic ingredients have been conducted by major regulatory bodies such as CIR, SCCS, or FDA. Available SCCS opinions pertain to Alpha-Arbutin, not Alpha-Crystallin, indicating a current absence of formal review for cosmetic use of this specific ingredient.


Your Skin

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

Our Assessment

Valuable

Crystallins are intrinsically valuable skin proteins, acting as key protectors against cellular stress and contributing significantly to radiance and hydration. While current studies primarily focus on inducing their natural production rather than direct topical application of the protein itself, the demonstrated benefits of increased crystallin content underscore their significant potential as a target in precision skincare.


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