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Kao × AEON "Biore Kids Stamp UV": Ingredient Analysis and Features

かずのすけ · ▶ 21:27 · 2 min read
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Overview

Beauty chemist Kazunosuke explains the ingredient highlights of "Biore Kids Stamp UV," a children's sunscreen co-developed by Kao and AEON Retail, and compares it with existing products.

2 min read
1:12

Product Overview and Development Background

  • Joint development and retail locations: Co-developed by AEON Retail and Kao. Sold in stores at AEON, Tsuruha, and Welcia (about 5,200 stores nationwide) and on AEON Style Online.
  • Price and size: 70 g for 1,078 yen (tax included).
  • Paw-print stamp gimmick: The applicator is shaped like a cat's paw pad, so children can have fun applying sunscreen by pressing it onto their skin like a stamp. It was developed to overcome children's reluctance to wear sunscreen and to encourage them to protect themselves from UV rays on their own.
3:50

Ingredient Features and Strengths

  • High UV protection: Achieves SPF50 and PA+++ using only titanium dioxide as a UV scattering agent (with clumping prevented by Kao's proprietary Aqua Capsule technology).
  • Zinc oxide-free and UV absorber-free: Contains no zinc oxide, which tends to cause clogged pores, allergies, and white cast, and no UV absorbers.
  • Many "free-from" claims: Alcohol-free, paraben-free, silicone-free, fragrance-free, and colorant-free, and glycerin-free across all ingredients, making it suitable for sensitive and acne-prone skin.
  • Removable with soap: Because it is less likely to react with sebum to form a stubborn film, it is designed to be easily removed with soap or body wash.
6:47

Relationship to "Watery Hold Cream" and Points to Note

  • Nearly identical formula: Its full ingredient list is essentially the same as Kao's existing product "Biore UV Aqua Rich Watery Hold Cream (Fragrance-Free)" (the only difference being whether a very small amount of shea butter is included).
  • Excellent value for money: Compared with Watery Hold Cream (50 g for 1,650 yen), Kids Stamp UV (70 g for 1,078 yen) is priced very low, at roughly half the price per gram.
  • Concerns about adults buying it up: Given that it was developed for children with little regard for profit and tends to be in short supply, adults are advised not to buy it up for their own use and to be considerate so that it reaches families with children. Adults who want it for themselves are encouraged to buy the existing Watery Hold Cream instead.

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