Neon yellow (15ml)

D&C Yellow 8 (also known as Color Index Pigment Yellow 17) is a synthetic dye primarily used in cosmetic products. It is water-soluble and is typically used to impart a yellow color in formulations like skin creams, lipsticks, and other personal care products. Below is a detailed description of its properties, usage rate, and related information:

Chemical Name and Identification

• Chemical Name: 1-(4-sulfophenylazo)-2-naphthol-3,6-disulfonic acid
• Color Index (CI): 19140
• CAS Number: 2783-94-0
• INCI Name: CI 19140, or simply Yellow 8

Appearance

• D&C Yellow 8 is a yellow powder that is water-soluble. The color of the solution varies depending on the concentration and the pH of the medium.

Solubility

• Water Soluble: It dissolves in water to produce a bright yellow color.
• It is not soluble in oil and should be used in formulations with aqueous bases.

Usage Rate

• Typical Usage Rate: The concentration of D&C Yellow 8 in cosmetic formulations typically ranges between 0.001% to 0.05% depending on the application and the desired intensity of the color.
  • For lip products, usage may range from 0.01% to 0.05%.
  • For skin creams, lotions, and other topical products, the percentage is usually closer to 0.001% to 0.01%.

Applications

D&C Yellow 8 is commonly used in various cosmetic and personal care products:

1. Lipsticks and lip glosses: To provide a yellow tint.
2. Eye shadows and mascaras: In small quantities to create yellow-toned effects.
3. Nail polishes: For adding yellow color to formulations.
4. Lotions, creams, and shampoos: To add a yellow hue, usually in combination with other colorants.

Safety and Regulatory Information

• D&C Yellow 8 is generally considered safe for use in cosmetics, as long as it is used within the recommended concentrations. It is approved by the FDA for use in drugs, cosmetics, and foods, but its use in food is limited in some countries, especially when used in large quantities.
• FDA Regulations: It is listed as safe for use in cosmetics (specifically for external use). However, its use in products intended for the eyes is regulated, and it may not be suitable for all products intended for sensitive areas.

Potential Risks

• Skin Sensitivity: In rare cases, people may be sensitive to this colorant, leading to skin irritation or allergic reactions.
• Eye Irritation: D&C Yellow 8 can cause irritation if it comes in direct contact with the eyes.

Conclusion

D&C Yellow 8 is an effective and widely used water-soluble colorant in cosmetics and personal care products, commonly found in products like lipsticks, eyeshadows, and lotions. The typical usage rate is low, and it is important to follow the recommended guidelines to ensure safety and avoid adverse reactions.