Basic Blue 7
AKA “Victoria Pure Blue BO, 2390-60-5, C.I. Basic Blue 7, Eljon Blue Toner, Silosuper Blue B, Victoria Pure Blue, Victoria Blue FBO, Victoria Pure Blue RB, Aizen Victoria Blue BO
Ingredient
Ingredient Facts
Basic blue 7
AKA: Victoria Pure Blue BO, 2390-60-5, C.I. Basic Blue 7, Eljon Blue Toner, Silosuper Blue B, Victoria Pure Blue, Victoria Blue FBO, Victoria Pure Blue RB, Aizen Victoria Blue BO
Ingredient · Hair Dyeing · EWG: 5
Synthetic
Not Clean
[4-[4-(diethylamino)-.alpha.-[4-(ethylamino)-1-naphthyl]benzylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium chloride (CI 42595)
Formula
C33H40ClN3
Mol. Weight
514.10
CAS #
2390-60-5
Form
Powder
See origin →
Functions
Hair Dyeing
Locks In Moisture
Anti-Aging Benefits
Antioxidant Protection
Colors Hair
Traditional Use
Synthetic organic dye developed in the early 20th century for textile and cosmetic coloring. Used in cosmetics as a colorant for eyeshadows, eyeliners, and other color cosmetics.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
5
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
ewg-5
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR