Basic Violet 16

What is Basic Violet 16?

Basic Violet 16, known chemically as CI 42595, is a synthetic triarylmethane derivative belonging to the class of cationic dyes. It serves as a direct hair colorant in cosmetic formulations, particularly for semi-permanent hair dyes found in shampoos, conditioners, and toners. This ingredient functions by adhering to the hair's surface through electrostatic attraction—its positive charge binds to the negatively charged keratin structure—imparting intense violet pigmentation without requiring chemical alteration of the hair fiber. The color deposits on the cuticle layer, resulting in visible shade changes that gradually diminish with shampooing. Valued for its strong color intensity and compatibility with various hair types, it supports creative styling options while minimizing fiber penetration to preserve hair integrity during use.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1 View on EWG →
PubChem View on PubChem →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Hair colorant
Delivers hair color through dyes and/or pigments (direct or oxidative systems), producing a visible shade change and supporting coverage and longevity.
Hair dyeing
Supports chemical color change of hair (e.g., oxidative dye development or bleaching), enabling shade transformation through controlled reactions on the fiber.

Benefits

Imparts striking violet tones for customizable hair looks.

Offers gradual fade for reversible color experimentation.

Enhances hair appearance with a conditioning-like binding effect.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
Individuals desiring temporary, vibrant hair color shifts.
Those with known sensitivities to synthetic dyes.
Users of semi-permanent dyes seeking shine and coverage.
Individuals experiencing scalp irritation from colorants.
People experimenting with bold shades without commitment.
Users preferring permanent or bleach-free alternatives.

Safety Notes

  • Rated low hazard in cosmetic safety assessments for intended hair use.
  • Patch testing recommended prior to application to check for reactions.

Frequently Asked Questions about Basic Violet 16

What is Basic Violet 16 used for?

It acts as a direct dye in semi-permanent hair products to create violet shades on the hair surface.

Is Basic Violet 16 irritating to skin?

Evidence indicates low irritation potential for scalp and skin during typical hair applications.

Does it clog pores?

Assigned a comedogenic rating of zero, indicating no pore-clogging tendency.