Merit Shampoo

Merit Shampoo in the 450ml pump bottle is the standard family-size format of Japan's most trusted everyday scalp-care shampoo. KAO's Merit has dominated the Japanese shampoo market for over five decades by delivering a uniquely thorough yet gentle cleanse that leaves scalps impeccably clean without the tight, stripped sensation of harsher formulas. The pump dispenser makes daily family use hygienic and waste-free, with controlled single-pump dispensing that reduces over-use. Merit's clean, light finish makes it the preferred shampoo across all hair types in Japanese households, from school-age children to adults managing scalp oiliness and dandruff concerns.

1. Wet hair and scalp thoroughly with warm water
2. Dispense 1–2 pumps (adjust for hair length and density) and lather between palms
3. Apply to scalp first and massage with fingertip circular motions for 60 seconds, lifting sebum and residue
4. Work lather down through the lengths to the ends
5. Rinse completely until water runs clear; follow with Merit Conditioner for added smoothness

• Sodium laureth sulfate — primary surfactant providing rich, quick-rinsing foam that removes scalp sebum and styling product buildup
• Cocamidopropyl betaine — mild amphoteric co-surfactant that improves foam stability and reduces irritation
• Zinc pyrithione (ZPT) — active anti-dandruff ingredient that inhibits Malassezia yeast, the primary cause of scalp flaking
• Glycerin — humectant that balances moisture in the scalp during and after cleansing
• Citric acid — pH adjuster that helps close the hair cuticle after washing for smoother, shinier strands
• Fragrance — fresh, light floral scent that dissipates on drying without overpowering