doi: 10.1080/08923973.2023.2300508 66 WangSLiuWWangJBaiX
In a seminal study, researchers added Epithalon to human fetal fibroblasts that lacked detectable telomerase activity
Use before No.5+ Vitamin Concentrated Serum as a booster 2
Li M, Lai H, Li Q, Gong S, Wang R
Pros: Multi-ceramide system at a mid price Lightweight texture suits non-dry skin in warmer conditions Cons: Too lightweight for dry, reactive, or barrier-compromised skin No peptides for skin renewal or visible fine-line improvement Jar availability varies by region, affecting reorder convenience Does not address melanin-rich or deeper skin tone needs Lacks the barrier-repair depth of triple-lipid plus peptide formulas Limited occlusivity makes it unsuitable as a primary moisturizer for most barrier concerns Evaluating Ceramide Moisturizers We evaluated formulas across eight weighted criteria: Ceramide and lipid profile clarity 30% Tolerability for sensitive or post-acne skin 20% Clinical substantiation or derm alignment 15% Texture and layering with SPF or actives 10% Value per ounce 20% Brand transparency on ingredients and testing 5% We combined brand documentation, retailer listings, and dermatologist-aligned resources to score each pick

Absorption concerns: Drinking coffee right after oral glutathione may limit how well you absorb glutathione