Get a Free 5ml Mini Now Free 5ml Mini With Every Order of The Mantle

BRASSICA NAPUS EXTRACT.

Valuable CAS 89958-03-2 / SKIN CONDITIONING

Derived from rapeseed, this botanical extract delivers clinically-proven brightening results through tyrosinase inhibition. Research demonstrates its ability to match hydroquinone's efficacy for dark spot reduction while offering superior tolerability and multi-pathway antioxidant protection.

skin conditioning antioxidant brightening anti-inflammatory

Science

Inhibits melanogenesis by suppressing tyrosinase enzyme activity, preventing excess melanin formation. Simultaneously activates the Nrf2 antioxidant pathway to neutralize free radicals and blocks inflammatory COX-2 and NF-κB signaling cascades.


Research

High confidence
Effective range 1–3%
Optimal

3%

Key findings

  1. 01 12-week split-face study: 3% concentration matched 4% hydroquinone efficacy for dark spots and luminosity by week 8
  2. 02 90-day melasma study: 1-3% concentration significantly reduced MASI scores comparable to prescription hydroquinone without adverse effects

Transparency

Not commonly dusted
Min. effective
0.5%
Red flag below
0.1%

Clinical studies demonstrate meaningful results at 1-3% concentrations, making sub-0.5% levels likely ineffective for brightening benefits.


The Formula

Solubility
Water
Optimal pH 5.2 – 6.5
0 7 14

Stability

Protein components show reduced solubility at pH 4.0-5.0 (isoelectric point). Most stable in slightly acidic to neutral environments.

Synergies

  • vitamin C
  • niacinamide
  • kojic acid

Conflicts

  • strong oxidizing agents
  • high alkaline ingredients

Safety

CIR Status
Not reviewed
Max tested
5%
Pregnancy
Safe
Sensitization risk Low

GRAS status for consumption. EWG rates as low-hazard (Score 1). Commercial formulations typically limit to 5% maximum.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Valuable

Clinically-validated hydroquinone alternative with excellent safety profile and universal skin type compatibility.


Related

Finding similar ingredients…


References