Sun ProtectionChemical Sunscreen
UV Filters SPF 45 Serum — Reddit Reviews
by The Ordinary
Updated November 10, 2026
Chemical SPF 45 supports dark-mark routines without white cast; layering varies.
What the community says
A chemical SPF 45 serum built around avobenzone, homosalate, octisalate, and octocrylene, with a finish that can sit under makeup. Best for people prioritizing invisible daily protection and dark-mark prevention. Oily skin may find it greasy and overly glowy.
What this means for you
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Key Ingredients
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Full ingredient list · 25
The Ordinary UV Filters SPF 45 Serum ingredients
Avobenzone, Homosalate, Octisalate, Octocrylene, Aqua, Behenyl Acrylate Polymer, Biosaccharide Gum-2, Butyloctyl Salicylate, Chlorphenesin, Diethylhexyl 2,6-Naphthalate, Dimethicone/Vinyl Dimethicone Crosspolymer (Soft Particle), Glycerin, Isododecane, Magnesium Sulfate, N-Acetylcarnosine, P-Anisic Acid, Pentylene Glycol, Phenoxyethanol, Propanediol, Sodium Citrate, Soy Phospholipids, Sphingolipids, Tocopherol, Tri(Polyglyceryl-3/Lauryl) Hydrogenated Trilinoleate, Trisodium Ethylenediamine Disuccinate
Listed in label order, highest concentration first. Linked ingredients have their own page.
Real Reddit threads — 22 mentions across 16 threads
The Ordinary UV Filters SPF 45 Serum on Reddit, in one place — 16 threads from r/scacjdiscussion, r/tretinoin and 4 more, summarized.
“I tried to wash out a bottle of The Ordinary's sunscreen to recycle, AMA”
Cautionary
“Yes, I owned it for years and still didn't use it all”
Cautionary
“No, I didn't succeed at cleaning it out”
Cautionary
“I actually just switched sunscreen bc of this!”
Cautionary
“I used the ordinary 45spf sunscreen”
Cautionary
“Hoping since it’s less thick and more a milky toner it will help!”
Cautionary
“The Ordinary SPF 45 serum”
Positive
“AM:”
Positive
“Skincare Routine:”
Positive
“the ordinary sunscreen (sometimes😬)”
Positive
“You need to be using sunscreen every day.”
Positive
“The marks will get darker if you don’t wear it every single day.”
Positive
“✨The Ordinary UV filters SPF 45 (if I’m going outside)”
Positive
“From late March 2026 to early June 2026, I focused primarily on hydrating and protecting my skin”
Positive
“The Ordinary UV filters SPF 45 (if I’m going outside)”
Positive
“Right now I use: Ordinary UV filters SPF 45 serum”
Mentioned
