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Moumoujus

S-LACTOYLGLUTATHIONE.

Insufficient Data CAS 54398-03-7 / SKIN CONDITIONING

S-Lactoylglutathione (SDL) is an endogenous biochemical intermediate integral to the cellular detoxification of methylglyoxal. Its presence is implicated in modulating inflammatory pathways through protein lactylation, suggesting a unique mechanism for cellular defense.

Summary

anti-inflammatory detoxification antioxidant

Science

Mechanism of Action

Within biological systems, S-D-lactoylglutathione (SDL) is generated as a crucial intermediate in the glyoxalase system, which is responsible for detoxifying methylglyoxal (MGO), a potent electrophilic compound resulting from glucose metabolism. Glyoxalase I (GLO1) catalyzes the formation of SDL from an MGO-glutathione adduct. Typically, Glyoxalase II (GLO2) then hydrolyzes SDL into D-lactate and regenerates reduced glutathione (GSH). However, when GLO2 activity is diminished, SDL accumulates, leading to the non-enzymatic modification of proteins via d-lactyllysine modification, also known as lactylation. This lactylation process has been observed to attenuate inflammatory signaling cascades and decrease the transcriptional activity of NF-κB. Additionally, SDL serves as a reserve for mitochondrial reduced glutathione and functions as a cellular energy currency, bolstering overall cellular resilience against various stressors.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No information suggests this ingredient is commonly 'dusted' in cosmetic formulations; available data indicates its primary use in research contexts.

The Formula

Formulation

Solubility
Water
Optimal pH 3 – 6
0 7 14

Stability

S-D-lactoylglutathione demonstrates substantial stability in an acidic pH range of 3 to 6, maintaining its integrity for several months when stored at -20 °C. Conversely, it undergoes decomposition into D-lactic acid and reduced glutathione (GSH) in basic conditions. Its stability is notably reduced at physiological pH and elevated temperatures; for instance, its half-life at pH 7.4 is approximately 3.7 days at 25 °C, and this decreases to about 1.1 days at 37 °C.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

Current information suggests that S-Lactoylglutathione is predominantly utilized for research purposes and is not sold for patient use. There are no specific safety assessments from regulatory bodies such as CIR, SCCS, or FDA pertaining to its use in cosmetic applications, rendering its safety profile for topical use undetermined.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

While S-Lactoylglutathione presents an intriguing biochemical mechanism for inflammation modulation and cellular defense, there is insufficient data regarding its clinical efficacy, safety, and formulation compatibility for cosmetic use on skin.

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