Ci 42090
Ci 42090 is a cosmetic colorant ingredient. It’s in 498 products on Poliage, most often body wash, exfoliant and shampoo. Avoid lists on Poliage that include it: none.
Updated October 22, 2026
In plain English
A synthetic blue dye (FD&C Blue 1). Colors products.
What it does
Contains Ci 42090: cosmetic-colorant
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 32756, accessed October 22, 2026. Also listed as blue 1, fd c blue no 1, fd c blue 1 and blue no 1.
Products that contain Ci 42090
Head & Shoulders
2 in 1 Citrus fresh
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Head & shoulders
2 in 1 Classic
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Selsun Blue
2-in-1 Antidandruff Shampoo & Conditioner
Shampoo · Lists fragrance, silicones, coconut derivatives
Tula
24-7 Weightless Moisture
Moisturizer · Lists exfoliating acid, coconut derivatives
Dentalux
8 en 1 complet sans alcool Menthe légère
Lists fragrance, fragrance allergens, coconut derivatives
L’Oréal
Acqua di Giò - Absolu
Lists fragrance, fragrance allergens, drying alcohol, chemical UV filters
Nivea
Active Energy Hydro Gesichtsgel
Lists fragrance, fragrance allergens, drying alcohol
Unilever
Advanced Hair Series Pure Care Sublime Oil
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, silicones, chemical UV filters, coconut derivatives
Expert Collection
Advanced keratin repair Shampooing complexe triple-actif
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Cien
After sun
Lists fragrance, fragrance allergens, drying alcohol
Lalin sun
After sun care
Lists fragrance, fragrance allergens
AgeDefy
AgeDefy Shampooing
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
AgeDefy
AgeDefy soin après-shampoing
Lists fragrance, fragrance allergens, drying alcohol, silicones
Mario Badescu
Almond & Honey Face Scrub
Exfoliant · Lists fragrance, parabens, formaldehyde releasers, coconut derivatives
Tree Hut
Angel Cake Mini Whipped Body Butter
Body lotion · Lists fragrance, fragrance allergens, silicones
Tree Hut
Angel Cake Whipped Body Butter
Body lotion · Lists fragrance, fragrance allergens, silicones
head & shoulders
Anti-roos shampoo + conditioner
Lists fragrance, fragrance allergens, sulfates, silicones, salicylic acid, coconut derivatives
Dove
Anti-Stress Beauty Bar
Body wash · Lists fragrance
Dove
Anti-Stress Body Wash
Body wash · Lists fragrance, fragrance allergens, coconut derivatives
Unilever
Apollo
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Tree Hut
Apple Crumble Mini Shea Sugar Scrub
Exfoliant · Lists fragrance, fragrance allergens, retinoid, essential oils
Tree Hut
Apple Crumble Shea Sugar Scrub
Exfoliant · Lists fragrance, fragrance allergens, retinoid, essential oils
Head & Shoulders
Apple Fresh
Lists fragrance, sulfates, silicones, coconut derivatives
Henkel
Après rasage parfumé
Lists fragrance, fragrance allergens, drying alcohol
Page 1Next
Related guides
How to read an ingredient list
What the ingredient list on a beauty product tells you, what the names mean, and what it leaves out, using FDA and EU labeling rules.
Does ingredient order show how much is in a product?
Ingredient lists run from most to least, but only down to 1%. Below that, any order is allowed. What the order shows and what it hides.
How do you patch test a new product?
What the AAD, FDA and DermNet say about testing a small area, the FDA hair dye skin test, in-office patch tests, and contact allergy basics.