DropBrigt® 4MSK | Potassium Methoxysalicylate

DropBright® 4MSK is a whitening agent specifically developed for reducing hyperpigmentation and improving uneven skin tone. As a derivative of methoxysalicylic acid, it works by inhibiting tyrosinase activity and reducing melanin production while promoting gentle exfoliation. DropBright® 4MSK offers multiple skin benefits, including brightening, smoothing, and enhancing skin clarity, making it ideal for anti-pigmentation and brightening skincare formulations.

INCI Name: Potassium Methoxysalicylate
CAS Number: 152312-71-5
Function: Whitening, Brightening, Exfoliating
EWG Score: 1–2 (Low Hazard)

Benefits

1. Whitening and Brightening:

   • Inhibits tyrosinase activity, reducing melanin synthesis and lightening dark spots.
   • Improves skin brightness and clarity with regular use.

2. Gentle Exfoliation:

   • Promotes cell turnover for smoother and more even-textured skin.

3. Anti-Hyperpigmentation:

   • Targets sunspots, freckles, and post-inflammatory pigmentation (PIH).

4. Improved Skin Smoothness:

   • Softens and refines the skin for a healthier, more radiant complexion.

Suggested Usage

• Concentration: 0.5%–5.0%
• Applications:
  • Whitening serums, creams, and lotions.
  • Exfoliating and clarifying skincare products.
• Method of Incorporation:
  • Soluble in water; incorporate during the aqueous phase of formulation.
  • Ensure pH is adjusted to 4.0–5.5 for optimal performance.

Features

• Multi-action skin-brightening ingredient with exfoliating and whitening benefits.
• Gentle on the skin, suitable for sensitive skin formulations.
• Compatible with water-based systems.

Physicochemical Properties

• Appearance: White to off-white powder
• pH (1% Aqueous Solution): 4.0–6.0
• Assay (Potassium Methoxysalicylate): ≥98.0%
• Water Content (KF): ≤1.0%
• Heavy Metals (Pb): ≤10 ppm
• Arsenic (As): ≤2 ppm

Cautions

• Storage:

  • Store in a cool, dry place at room temperature, protected from light and moisture.
  • Avoid exposure to extreme temperatures to preserve stability.

• Application Notes:

  • Avoid combining with strong acids or alkaline materials to maintain product stability.

Packaging and Shelf Life

• Packaging: Available in 1 kg, 5 kg, or 25 kg containers.
• Shelf Life: 2 years under recommended storage conditions.