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It Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ scores 9.1/9.8 vs Bretagne Cosmétiques Marins ISOSOURCE at 5.8/9.8. It Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ wins for hydration.
It Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ takes this one, winning 3 of 5 attributes.
Scores last verified: April 2026
11 unique
0 in common
73 unique
Where It Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ really shines is hydration efficacy, scoring 9.2 compared to Bretagne Cosmétiques Marins ISOSOURCE's 2.0. With Butylene Glycol Dicaprylate/Dicaprate, Butylene Glycol, and Glycerin in its top ingredients, It Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. It Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ scores 8.9 here versus 2.0 for Bretagne Cosmétiques Marins ISOSOURCE. That difference comes down to how each formula is built — the ingredient list tells the story.
It Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ brings Snail Secretion Filtrate, Niacinamide, and Curcuma Longa (Turmeric) Root Extract as actives, while bretagne Cosmétiques Marins ISOSOURCE relies on Du Cou Et Du Décolleté. Appliquer Ensuite Le Sérum Et La Crème Isomarine Habituels. Pleine Petite Quantité Quantité Sur Une &Quot,Les Couches Supérieures De L'Épiderme. Ingredients Aqua (Water/Eau) - Glycerin Butylene Glycol Sodium Pca-Pentylene Glycol Trehalose-Maris Sal [Sea Salt/ Selmarin-Saccharide Isomerate-Sodium Hyaluronate-Enantia Chlorantha Bark Extract Oleancuic Acid 1. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Bretagne Cosmétiques Marins ISOSOURCE is better if you have
It Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ is better if you have
It Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ wins this comparison with a meaningfully stronger ingredient profile and overall score.
Based on ingredient analysis, It Cosmetics Bye Bye Foundation Oil-Free Matte Full Coverage Moisturizer with SPF 50+ scores higher overall. See the full score breakdown above for details on each attribute.
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
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