HAKU

Shiseido HAKU – Japanese Brightening & Dark Spot Prevention Skincare

Discover Shiseido HAKU, a Japanese medicated skincare brand specializing in dark spot prevention, uneven skin tone and dullness. Developed through Shiseido's advanced pigmentation research, HAKU combines clinically studied brightening actives, including 4MSK and tranexamic acid, with targeted hydration and skincare technology.

From the bestselling HAKU Melanofocus IV serum to the new Brightening Cream M, explore Japanese brightening skincare designed to help prevent melanin-related dark spots and reveal a clearer, more radiant-looking complexion.

Explore Shiseido HAKU Skincare

HAKU Melanofocus IV – Best for Dark Spot Prevention

The signature HAKU Melanofocus IV 45g is a Japanese medicated brightening serum formulated with two active ingredients: 4MSK and m-tranexamic acid. Together, they inhibit melanin production to help prevent dark spots and freckles.

The formula also contains dipotassium glycyrrhizate to help prevent skin irritation.

Best for: Persistent pigmentation concerns, uneven skin tone and anyone looking for a dedicated daily brightening serum.

HAKU Brightening Cream M – Best for Overnight Brightening Care

Launched in Japan in July 2026, HAKU Brightening Cream M 75g is a medicated overnight cream mask combining intensive hydration with 4MSK-based dark spot prevention.

Its rich, protective formula is designed to be applied as the final step of evening skincare, leaving skin feeling moisturized and smoother by morning.

Best for: Dry, dull-looking skin and those seeking an intensive overnight brightening treatment.

HAKU Refiner – Best for Rough Texture & Dehydration

HAKU Refiner is a medicated, lotion-like serum designed to hydrate and soften the stratum corneum before applying a brightening serum.

Featuring 4MSK, dipotassium glycyrrhizate and moisturizing ingredients, it helps improve the appearance of rough texture while supporting a smoother, more translucent-looking complexion.

Best for: Rough, dehydrated skin and those looking to add a preparatory step before Melanofocus IV.

HAKU Day Brightening UV – Best for Daily Sun Protection

HAKU Day Brightening UV SPF50+ PA++++ combines high-level UV protection with medicated brightening care.

Formulated with 4MSK and m-tranexamic acid, it helps prevent melanin-related dark spots while protecting skin against daily UV exposure. Its lightly tinted formula can also be used as a makeup base.

Best for: Daytime pigmentation prevention, sun protection and daily brightening skincare.

HAKU Melano Deep Moisture – Best for Dry Skin & Hydration

HAKU Melano Deep Moisture is a medicated gel-type brightening lotion that combines hydration with dark spot prevention.

Its formula features 4MSK, acetylated hyaluronic acid and moisturizing ingredients to help maintain soft, hydrated skin.

Best for: Dry, dehydrated skin seeking lightweight moisture alongside Japanese brightening care.

Which Shiseido HAKU Product Should You Choose?

How to Use Shiseido HAKU in Your Skincare Routine

For a simple HAKU routine:

Morning: Cleanse → Hydrating Lotion → HAKU Refiner → Melanofocus IV → Moisturizer → Day Brightening UV

Evening: Cleanse → Hydrating Lotion → HAKU Refiner → Melanofocus IV → Moisturizer → Brightening Cream M (as an overnight mask)

Brightening Cream M is recommended approximately two to three nights per week, although it can also be used nightly according to the brand's instructions.

Frequently Asked Questions

What is Shiseido HAKU best known for?

HAKU is best known for Japanese medicated brightening skincare, particularly Melanofocus IV, designed to inhibit melanin production and help prevent dark spots and freckles.

What is 4MSK in HAKU skincare?

4MSK, or potassium 4-methoxysalicylate, is a Shiseido-developed brightening active used in Japanese quasi-drug skincare to help prevent melanin-related pigmentation.

Can HAKU remove existing dark spots?

HAKU's approved brightening claims focus on inhibiting melanin production to prevent dark spots and freckles. Results for existing pigmentation vary, and the products should not be presented as treatments that erase established dark spots.

Can I use HAKU Melanofocus IV every day?

Yes. Shiseido recommends using Melanofocus IV morning and evening after lotion.

Explore our Shiseido HAKU collection at Tokyo Beauty Box, featuring Japanese brightening serums, moisturizers, overnight treatments and SPF skincare for a more radiant-looking complexion.