Medicube No Cast Just Glow Collagen Sunscreen SPF 50 is a lightweight, moisturizing facial sunscreen designed to provide broad-spectrum SPF 50 protection while leaving the skin hydrated, smooth, and naturally radiant. It combines sunscreen filters with skincare ingredients such as collagen, peptides, niacinamide, centella asiatica, hyaluronic acid, ceramide, and squalane.
.Hydrating formula
The formula is more skincare-focused than a basic sunscreen. It contains several ingredients intended to support moisture and the skin barrier:
Hyaluronic Acid — Helps attract and retain moisture, contributing to a plumper, more hydrated feel.
Ceramide NP — Helps support the skin’s moisture barrier and reduce moisture loss.
Squalane — An emollient that helps soften and smooth the skin.
Niacinamide — Supports the skin barrier and helps improve the appearance of uneven tone and texture.
Medicube reports that its testing showed 61% increased deep hydration after one use and up to 72 hours of hydration. These are brand-reported clinical study results, so individual results can vary.
.Collagen & peptides
The sunscreen contains hydrolyzed collagen, soluble collagen, and acetyl hexapeptide-8, which are included to give the formula a skincare/firming focus. Medicube positions the collagen and peptide combination as supporting a firmer, bouncier and more radiant-looking complexion.
It’s worth thinking of these ingredients primarily as skin-conditioning and cosmetic-support ingredients rather than expecting a sunscreen to replace a dedicated collagen or anti-aging treatment.
. Cica & soothing ingredients
The formula also contains Centella asiatica (cica) extract and its components, including asiaticoside, madecassoside and asiatic acid. These ingredients are commonly used in skincare formulas designed to soothe and support the skin barrier.
This makes the sunscreen particularly attractive if you prefer your daily SPF to provide hydration and soothing skincare benefits alongside sun protection






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