CI 45410
D&C Red No. 27Phloxine B
Average
Warning Pores
2/5
Irritancy
0/5
FA Safe
❌ No
Pregnancy
✅ Safe
Vegan
✅ Yes
Science & Benefits
CI 45410 is a synthetic colorant often used in products that claim to 'adjust' to your personal skin chemistry. While it has a lower comedogenic rating (2) than its sibling Red 36, it poses a secondary risk: it is almost exclusively formulated alongside heavy waxes and oils to ensure even distribution. These 'carrier' ingredients often amplify the dye's ability to settle into the pores. For most users, it is a moderate risk, but when found in heavy cream blushes, the cumulative effect can lead to 'cheekbone congestion'—a common pattern of tiny, skin-colored bumps along the upper face.
Safety Alerts
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Fungal Acne: This ingredient is a lipid/ester that can feed Malassezia yeast. Avoid if you have active FA bumps.