News

Retinol vs. Retinal: What's the Real Difference?
If you've spent any time browsing K-beauty and J-beauty skincare, you've probably noticed two very similar-looking words popping up on serum labels: retinol and retinal (also called retinaldehyde). One letter apart, but they behave quite differently on your skin - and knowing the difference can save you a lot of trial and error. They're Both Vitamin A - Just at Different Stages Retinol and retinal are both forms of vitamin A, part of a family of ingredients called retinoids. What sets them apart is where they sit in the conversion process... Read more...
Vitamin C Serum Showdown: Goodal vs. Dr. Althea - Which One Fits Your Skin?
Vitamin C Serum Showdown: Goodal vs. Dr. Althea - Which One Fits Your Skin?
Vitamin C might be the most recommended skincare ingredient out there, but not all vitamin C serums work the same way. At Sakumi we carry two excellent options — the... Read more...
Fino vs Tsubaki Hair Mask: Which Japanese Treatment Is Right for Your Hair?
Fino vs Tsubaki Hair Mask: Which Japanese Treatment Is Right for Your Hair?
Two of the most iconic names in J-beauty haircare, Fino Premium Touch and Tsubaki Premium Repair, sit side by side on nearly every Japanese drugstore shelf — and are easy... Read more...
The Biodance Real Deep Mask Collection: Which One Is Right for Your Skin?
The Biodance Real Deep Mask Collection: Which One Is Right for Your Skin?
Biodance's Real Deep Mask line has become one of the most talked-about hydrogel mask ranges in K-beauty — but the viral "transparent mask" you've seen on TikTok is actually just... Read more...
Why Does the Biodance Mask Turn Transparent? The Science Behind the Viral Glow
Why Does the Biodance Mask Turn Transparent? The Science Behind the Viral Glow
If you've seen the Biodance Bio-Collagen Real Deep Mask all over TikTok and Instagram, you've probably noticed the same thing everyone talks about: it starts out milky white - and... Read more...
Dr. Althea Cream Guide: 147 Barrier vs. 345 Relief vs. Melaclear - Which One Is Right for You?
Dr. Althea Cream Guide: 147 Barrier vs. 345 Relief vs. Melaclear - Which One Is Right for You?
If you've been browsing Dr. Althea's cream lineup, you've probably noticed there isn't just one "moisturizer" - there are three, and each one is built to solve a different skin... Read more...