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Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C scores 9.4/9.8 vs Isntree TW-Real Bifida Ampoule at 8.3/9.8. Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C wins for hydration.
Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C takes this one, winning 1 of 5 attributes.
Scores last verified: June 2026
60 unique
8 in common
12 unique
Where Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C really shines is hydration efficacy, scoring 9.2 compared to Isntree TW-Real Bifida Ampoule's 6.9. With Butylene Glycol, Methyl Gluceth-20, and Glycereth-26 in its top ingredients, Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Isntree TW-Real Bifida Ampoule scores 7.0 here versus 6.2 for Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C. That difference comes down to how each formula is built — the ingredient list tells the story.
Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C brings Ascorbyl Glucoside, Tocopheryl Acetate, and Niacinamide as actives, while isntree TW-Real Bifida Ampoule relies on Bifida Ferment Lysate, Lactobacillus Ferment Lysate, and Niacinamide. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C is better if you have
Isntree TW-Real Bifida Ampoule is better if you have
At luxury pricing with a score of 9.4, Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C delivers strong value. Isntree TW-Real Bifida Ampoule sits at the budget level with a 8.3 score — the extra cost doesn't translate to better scores here.
Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C wins this comparison with a meaningfully stronger ingredient profile and overall score.
Based on ingredient analysis, Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C 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.
Honest skincare intel. No jargon, no gatekeeping — just the ingredients decoded.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.