L'Acide Kojique : Le Secret Millénaire pour une Peau Éclatante Révélé dans Notre Nouvelle Gamme

Kojic Acid: The Age-Old Secret to Radiant Skin Revealed in Our New Range

EXPERT REPORT

For centuries, the secret to a porcelain complexion has been jealously guarded. We lift the veil: kojic acid .

Reading time: 7–9 min Updated: Oct. 2025

We are proud to present a revolutionary range that puts this treasure within your reach, combining Japanese tradition and French cosmetic innovation .

1. What exactly is kojic acid?

Kojic acid is a natural compound produced during fermentation (sakai, miso, soy sauce). First observed in sake brewers with remarkably soft and fair hands, it has become one of the most sought-after active ingredients.

Origin — By-product of rice fermentation: purity, stability, performance.
From fermentation to exceptional cosmetic active ingredient.

2. The scientifically proven benefits of kojic acid

1) Exceptional natural skin lightener

Inhibits tyrosinase (melanin production) → reduces pigment and age spots, evens out radiance.

2) Powerful antioxidant

Chelating properties: neutralizes free radicals, prevents oxidation and dull complexion.

3) Overall anti-aging action

Improves cell renewal and texture to smooth grain and fine lines.

4) Tolerance

Generally well tolerated, even by sensitive skin , when correctly dosed.

3. Our kojic range: pure excellence

Optimal concentration

Ideal dosage to maximize effectiveness while preserving comfort.

Intelligent Synergies

Combined with carefully selected complementary assets to multiply results tenfold.

Pharmaceutical grade

Demanding standards: purity, stability , reproducibility.

Sensory textures

Melting creams and serums for a pleasurable application experience that promotes regularity.

4. Who is this range aimed at?

  • Reduce pigmentation spots and restore an even skin tone.
  • Prevent the appearance of new spots (age/sun).
  • Brighten the complexion and restore a youthful glow .
  • Benefit from an effective and natural anti-aging routine .
  • Discover the ancestral beauty secrets of Japan.

5. How to incorporate kojic acid into your routine

Introduce it gradually : every other night at first, then increase according to tolerance. Use textures suited to your skin type.

Crucial point — Kojic acid can increase photosensitivity . Daily SPF (≥ 30) is essential.

6. The first results: when do they appear?

2–4 weeks for the first signs of improvement (brightness, evenness). For established spots: 8–12 weeks of continuous routine.

The Hanloé point. Gradual application guarantees a gentle transformation without irritating or disrupting the skin's balance.

FAQ — Your Frequently Asked Questions

Is kojic acid suitable for sensitive skin?

Yes, when it's properly dosed and introduced gradually. Combine it with soothing treatments if needed.

Can it be combined with vitamin C?

Yes. For example: vitamin C in the morning, kojic acid in the evening. On sensitive skin, space out the applications.

What precautions should be taken?

Avoid over-exfoliation and apply SPF daily . Discontinue use if irritation persists.

Reveal your brilliance — the precision of kojic

Opt for the routine that combines Japanese tradition and French science .

Discover the Kojique collection. Add a daily SPF.

Read next

Back to blog

Leave a comment

Your personalized skin diagnosis

In just a few questions, discover the Hanloé routine best suited to your skin.
Our expert diagnosis analyzes your essential needs to reveal a radiant, balanced and lastingly hydrated complexion.

Start the diagnosis