Quick Summary:
Date Tested: 11/2/2025
In this La Roche Posay Anthelios Melt-In Milk SPF 100 sunscreen lotion review, I find another fantastic sunscreen from the French company. Thanks again go to Joanna for this sunscreen!
I’ve actually become a fan of the La Roche Posay Anthelios line of sunscreen products. The UV filtering ability demonstrated throughout their chemical based product line (of those I have tested) gives me the warm fuzzy feeling I like to have when thinking about quality UV sunscreen protection. Along with the strong UV protection are also the foo foo spa reminiscent ingredients like the spring water, vitamins, and antioxidants they include in their formulations. I still use the Trader Joe’s Invisible Gel SPF 40 on the daily (because cheap, and good), but the products from La Roche Posay would be my next choice (because foo foo, and good).
The La Roche Posay Anthelios Melt-In Milk SPF 100 sunscreen lotion is a chemical sunscreen formula which contains Avobenzone at 3%, Homosalate at 15%, Octisalate at 5%, and Octocrylene at 10%.
The La Roche Posay Anthelios Melt-In Milk reduced 99.81% of irradiated UVA, 99.02% UVB, and 99.76% of total UVI.

La Roche Posay Anthelios Melt-In Milk SPF 100 sunscreen lotion ingredients
Active ingredients: Avobenzone 3%, Homosalate 15%, Octisalate 5%, Octocrylene 10%
Inactive Ingredients: Water, Polymethylsilsesquioxane, Glycerin, Dimethicone, Poly C10-30 Alkyl Acrylate, Styrene/acrylates Copolymer, Silica, Caprylyl Methicone, Acrylates/dimethicone Copolymer, Diethylhexyl Syringylidenemalonate, Peg-100 Stearate, Glyceryl Stearate, Phenoxyethanol, Potassium Cetyl Phosphate, Tocopherol, Caprylyl Glycol, Panthenol, Acrylates/c10-30 Alkyl Acrylate Crosspolymer, Triethanolamine, Peg-8 Laurate, Inulin Lauryl Carbamate, Chlorphenesin, P-anisic Acid, Caprylic/capric Triglyceride, Xanthan Gum, Disodium Edta, Cassia Alata Leaf Extract, Maltodextrin, Sodium Dodecylbenzenesulfonate
Manufacturers Website: www.laroche-posay.us
La Roche Posay Anthelios Melt-In Milk SPF 100 characteristics at a glance:
- Oxybenzone and Octinoxate-free sunscreen for face & body helps protect sun-sensitive skin and skin prone to burning from UVA (aging) and UVB (burning) rays with our highest SPF level of 100
- Blends easily without leaving a white cast behind. Wearable under makeup
- A powerful antioxidant complex to help protect skin from free radicals caused by UV rays
- Water resistant (80 mins)
- Suitable for adults and children 3 years and up
- Formulated and rigorously tested for skin tolerance, even on sensitive skin
- Viscosity is low
Prepared slide BEFORE testing
The La Roche Posay Anthelios Melt-In Milk SPF 100 distributed well, with just a tiny bit of thinning towards the center of the slide sample.

La Roche Posay Anthelios Melt-In Milk SPF 100 UV blocking test results

Ultraviolet light quick reference:
UVA: The Ultraviolet wavelength from 315nm – 400nm. The “Aging UV light” – Causes wrinkles.
UVB: The Ultraviolet wavelength from 280nm – 315nm. The “Bad UV light” – Causes skin cancer.
UVI: The global sun UV index. The more a sunscreen can reduce the level of UVI, the better.
UV test results:
Ultraviolet sensor readings:
| Before Sunscreen | After Sunscreen | % UV Blocked | |
| TEMP | 78.5 | 78.545 | |
| UVA | 38786 | 73.25 | 99.81% |
| UVB | 2186.5 | 21.5 | 99.02% |
| UVI | 22.915 | 0.06 | 99.76% |
Want to know more about how I test sunscreen? Head here to read about the details.
Testing notes:
The La Roche Posay Anthelios line of sunscreen products are very good. Cant really go wrong with them.
Want to try the La Roche Posay Anthelios Melt-In Milk SPF 100 sunscreen lotion?
Fantastic foo foo sun protection.
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