Comparing cleanser prices: put both bottles on a 100 ml basis
An original English shopping note by BlacksmithIO, first published on LinkedIn on 16 October 2026.

Originally published on LinkedIn by BlacksmithIO on 16 October 2026. Republished on THE CAST on 17 October 2026 (Korea Standard Time). The original English wording and photo are reproduced below; dates and “today” in the post refer to its original publication date. Links use the original official destinations.
Original English post
Comparing cleanser prices? Put both bottles on a 100 ml basis first.
On THE CAST, Dr.WIK Deep Collagen Glutathione Gel Cleanser is listed at 85 ml, while Eight Glow Moisture Cleansing Foam is listed at 100 ml.
Check three things before deciding:
• Type: gel cleanser or cleansing foam.
• Size: 85 ml or 100 ml.
• Unit price: in the same currency, product price ÷ volume in ml × 100.
Keep shipping separate. Unit price compares cost—not cleansing performance.
Use this checklist to explore cleansers on THE CAST app and web:
https://thecastshop.com/index.html?gpCategory=skincare
K-Beauty is thecastshop.com
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