ZEN shampoo, previously sold out on Costco Online, now available at all 37 Costco stores in Japan

Oji Seiyaku Co., Ltd. (Jingumae, Shibuya-ku, Tokyo) has begun sequential sales of its ZEN shampoo and conditioner set in Costco-exclusive packaging at all 37 Costco stores nationwide. Designed with a skincare-inspired formula, it gently cleanses the scalp and hair while maintaining moisture for a light finish. This popular series has previously sold out on Costco Online. ZEN shampoo is offered as a set, allowing for a cohesive experience from scalp to ends. The formula incorporates herbal-derived ingredients, balancing a refreshing wash with a smooth finish. It is ideal for those concerned about scalp oiliness, washing away sweat and sebum while leaving a fresh green leaf scent. Ingredients include Niacinamide and Panthenol to provide moisture. The fragrance features a base of fresh green leaf with deep herbal notes, creating a relaxing bath time. To celebrate the launch, a '1 Buy Get 1' campaign is being held on Instagram. Customers who purchase the target product and send their receipt via DM to the official ZEN shampoo Instagram account will receive another set on a first-come, first-served basis. Campaign period: June 1st (Mon) to June 8th (Mon). Product: ZEN shampoo set (Costco-exclusive), 400mL each. Manufactured in Mie, Japan.