Medicube No Cast Just Glow Collagen Sunscreen SPF 50 Dupes & Cheaper Alternatives
From 11 Reddit threads · Updated November 6, 2026
SPF 50 chemical sunscreen delivers a lightweight, all-day glow without white cast. The catch: glow can read greasy on oily skin. Here's what Redditors reach for instead.
The short answer
Best Overall AlternativeLight lotion texture with a hydrated glow · $19.60 · 50 ml
Best Cheaper AlternativeSPF 50+ PA++++ with a genuinely lightweight, watery feel · $2.66 · 10 ml vs $20.90 for the original
Best for Sun ProtectionMoisturizer-like finish that layers beautifully under makeup
#1
Best Overall Alternative
- Size: 50 ml
- Price per ml: $0.39/ml (original $0.42/ml)
The why
This chemical sunscreen layers like a light lotion and includes niacinamide, glycerin, sodium hyaluronate, and hyaluronic acid for a hydrated, glossy finish. Dry or barrier-stressed users tend to love it; oily skin, sensitive eyes, and birch-allergy sufferers may not.
One minus
Gets greasy and overly shiny on oily skin
Good forDry Skin, Sensitive Skin
Both recommended for Sun Protection.
“their og sunscreen”
— Reddit, r/koreanskincare
The original, at a glance
- Why people love it
- SPF 50 with no white cast
- Price
- $20.90 · 50 ml · $0.42/ml
#2
Best Cheaper Alternative
Relief Sun Aqua-Fresh: Rice + B5 SPF50+ PA++++
Beauty of Joseon·Chemical Sunscreen
See alternativesSPF 50+ PA++++ with a genuinely lightweight, watery feel
- Size: 10 ml
- Price per ml: $0.27/ml (original $0.42/ml)
The why
A watery chemical sunscreen built for oily or combination skin, with panthenol, rice seed water, and newer UV filters. It dries satin rather than greasy, but dry or reactive skin may feel tight, and makeup wearers regularly report pilling.
One minus
Pilling under makeup or during reapplication is the major YMMV issue
Good forSensitive Skin, Dry Skin
Both recommended for Sun Protection.
“The only ones I've liked are Beauty of Joseon Relief Sun Aqua Fresh and Biore UV Aqua Rich Watery Essence.”
— Reddit, r/30PlusSkinCare
#3
Best for Sun Protection
Relief Sun: Rice + Probiotics SPF 50+
Beauty of Joseon·Chemical Sunscreen
See alternativesMoisturizer-like finish that layers beautifully under makeup
The why
A creamy Korean chemical sunscreen with niacinamide, rice extracts, and fermented extracts that wears like moisturizer under makeup. Dry, normal, and tret-treated skin often loves the glow; oily or acne-prone users may face grease, clogs, or irritation.
One minus
Fermented extracts and niacinamide trigger clogs, pustules, or acne for some users
Good forSensitive Skin, Dry Skin
Both recommended for Sun Protection.
“Finally if im going to be under the sun I use the beauty of jouson probiotic sunscreen- Relief Sun: Rice + Probiotics (SPF50+ PA++++).”
— Reddit, r/eczema
Other alternatives worth a look
Clear, primer-like gel that visibly blurs pores · 90 recs
Combination SkinDry Skin
Silica-assisted matte dry-down · 43 recs
Matte FinishUnder Makeup
SPF 60 holds up for beach, water, and hiking days · 26 recs
Dry SkinDewy Finish
More Chemical Sunscreens Reddit recommends for Sun Protection
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