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2,5-DIHYDROXYBENZOYL DIPEPTIDE-27.

Valuable / HUMECTANT, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SKIN PROTECTING

A sophisticated peptide-acid hybrid that marries gentisic acid with dipeptide technology to target melanin production at multiple cellular pathways. This engineered compound demonstrates dual-action brightening through both enzymatic inhibition and transcription factor modulation.

skin-brightening humectant skin conditioning skin protecting

Science

Operates through competitive tyrosinase inhibition while simultaneously downregulating MITF expression, creating a comprehensive approach to melanin reduction. The gentisic acid component provides additional antioxidant protection and barrier support.


Research

Medium confidence
Effective range 0.01–5%
Optimal

1%

Key findings

  1. 01 Demonstrated up to 50% reduction in melanin synthesis through tyrosinase inhibition and MITF downregulation

Transparency

Not commonly dusted
Min. effective
0.01%
Red flag below
0.005%

Given the effective range starts at 0.01%, concentrations below this threshold likely represent cosmetic dusting rather than therapeutic dosing


The Formula

Solubility
Water
Optimal pH 5 – 7.5
0 7 14

Stability

Requires protection from UV exposure and extreme temperatures to prevent oxidation of the dihydroxybenzoyl component

Synergies

  • niacinamide
  • vitamin C derivatives
  • kojic acid

Conflicts

  • strong oxidizing agents
  • highly alkaline ingredients
  • high-concentration anionic surfactants

Safety

CIR Status
Not reviewed
Max tested
5%
Sensitization risk Low

No documented adverse effects at standard usage levels according to manufacturer safety data


Your Skin

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

Our Assessment

Valuable

A scientifically-backed brightening ingredient with demonstrated melanin reduction capabilities and universal skin compatibility.


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References