Fusion Water Magic SPF 40 — Reddit Reviews
by ISDIN
Updated September 24, 2026
Ultra-light SPF 40 that vanishes under makeup; breaks some acne-prone skin out.
What the community says
A watery chemical sunscreen with avobenzone, homosalate, octisalate, and octocrylene plus dimethicone and silica for that fast-drying, matte-ish finish. r/SkincareAddiction likes it under makeup and on oily skin, but fragrance and the occasional red-patch breakout keep it from universal status.
What this means for you
Backed by 9 threads from r/SkincareAddiction, r/40plusskincare and 3 more.
Read the threads ↓What people love
Watch out for
- Fragrance is in the formula, and some sensitive eyes still notice it
- Can trigger red patches and closed comedones
- Not the move if you hate a sunscreen that only feels good on certain skin
Product details
Skin type data limited
Where to buy
Real Reddit threads — 16 mentions across 9 threads
ISDIN Fusion Water Magic SPF 40 on Reddit, in one place — 9 threads from r/SkincareAddiction, r/40plusskincare and 3 more, summarized.
“Right now I’m using Isdin fusion water magic 50spf.”
Positive
“Right now I’m using Isdin fusion water magic.”
Positive
“I usually switch between that and la Roche posay tinted anthelios spf 50”
Positive
“If you can get your hands on it I love Isdin water magic, the European formula”
Mentioned
“This is my favorite”
Mentioned
“I love ISDEN too because it’s really good protection but I have to mix it with Ciele bronzing sunscreen drops to reduce the white cast.”
Mentioned
“and Isdin Magic Water I got in Paris (their formula is better).”
Positive
“Put tinted sunscreen on, I rotate between drunk elephant umbra tinte (highest zinc oxide outside of scripts) and Isdin Magic Water I got in Paris”
Positive
“everything is under control (thankfully!)”
Positive
“Either Dermaglós Solar Cream sunscreen (I find it more comfortable than fluid sunscreens) or ISDIN Fusion Water Magic.”
Positive
“Both are tinted.”
Positive
“Obviously, unprotected sun exposure also seems to be a trigger.”
Positive
“I picked up isdin water magic sunscreens and love!”
Positive
“I also grabbed a La Roche Posay UVAir sunscreen”
Positive
“wish I would have gotten more.”
Positive
“I only use protector outside the home: Isdin Fusion Water.”
Mentioned
“When you wake up: Effeclar la roche posay cleansing soap + la roche posay cicaplast or any moisturizing cream”
Mentioned
“I only use protector outside the home”
Mentioned
Other variants in this line
Same formula family — here’s what changes between them.
- Magic 40You’re here
Fusion Water Magic SPF 40
16 mentions
Color 50Fusion Water Color SPF 50
9 mentions
4 of 5 traits shared
Dupes & Alternatives
La Roche-Posay
Anthelios UVMune 400 Invisible Fluid SPF50+
Better for Sun Protection
4 shared traits
340 mentions
