FD&C RED NO.3 – ERYTHROSINE (DYE)
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FD&C RED NO.3 – ERYTHROSINE (DYE)

Price range: $12.90 through $38.90

💧 Water-Soluble Dye
FD&C RED NO.3 – ERYTHROSINE (DYE)
An ultra-vibrant, neon-like candy pink / magenta for creations that captivate the eye. FD&C Red No. 3 is a premium cosmetic-grade pure dye (this is not a Lake pigment). Ultra-concentrated, it allows you to create bath bombs and soaps with intense, radiant pink hues, with no need for color “waking” (no blooming).
Raw pure dye is dustier and stains more easily than Lake pigments. We strongly recommend wearing gloves when handling the raw powder, as it easily stains the skin. Because it is highly concentrated, you will need much less dye to achieve your desired color!
Why you will love it:
    • Intense Neon Pink: Produces rich, translucent, and incredibly bright magenta colors.
    • Special Bath Bombs: Colors the water instantly for an immersive bath experience.
    • Fine Texture: Dissolves easily for a seamless, homogeneous blend in your formulations.
    • Canadian Cosmetic Grade: Fully compliant with Health Canada regulations for wash-off products.

Technical Specifications:
    • INCI: CI 45430 (FD&C Red No. 3)
    • Appearance: Fine red powder 
    • Type: Soluble dye (fully water-soluble)
    • Particle size: < 45 µm

Usage Guidelines & Recommended Dosages:
    • Bath Bombs & Wash-off Products: Use between 0.2 and 4 grams per 1 kg of your dry mix. Once dissolved, it creates a gorgeous brilliant pink water.
    • Soaps (Melt & Pour / CP): Use 1g to 7g per 500g of oils. Colors may bleed or fade over time.
    • Always test the dye in small batches with your specific formulations before full production.

Approvals & Uses (Canada)

APPLICATION STATUS NOTE
Eyes (Shadows, Liners) ✅ APPROVED and safe for the eye area in Canada.
Lips (Lipsticks, Balms) ❌ PROHIBITED (Not approved for the lip area by Health Canada). 
Face (Makeup) ✅ Excellent brightness on the skin.
Soaps (M&P / CP) ✅ Perfect for Melt & Pour (may bleed/fade slightly in CP depending on pH).
Bath Bombs ✅ Spectacular performance (beautifully colors bath water).

SDS (Safety Data Sheet)
COA (Certificate of Analysis)
CI: 45430
SKU: FDCDYRED03JQ. Categories: , ,

Description

💧 The Science of FD&C Colorants in Your Creations
Understanding Color Migration in Cold Process Soap (CP)
Water-soluble dyes as well as Lake pigments share an important chemical characteristic that handcrafted soap makers need to know: they bleed and migrate over time.
Due to their organic nature, their molecules slowly travel through the soap bar during and after curing:
    • If using a single color: Your soap will maintain a beautiful, uniform hue.
    • If creating multicolored designs (swirls): The different colors will slowly bleed and blend into one another over the weeks.

For geometric, high-contrast designs that require sharp lines with zero migration over time, we highly recommend using our Micas or Mineral Oxides instead.

Additional information

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