Some By Mi is the rare TikTok-famous brand that actually delivers. I know, I know — that sentence feels illegal to type. But the 30 Days Miracle range earned every single one of those views, and I’ve put it on enough friends dealing with breakouts to have strong opinions about it.
Who this brand is for
Oily, acne-prone, blackhead-plagued, or “my skin used to be fine and now it’s having a personality crisis” skin. Some By Mi is built around gentle acid exfoliation and tea tree, and it’s what I’d hand to a 17-year-old or a 32-year-old both dealing with adult hormonal breakouts.
If you have dry or sensitive skin with no acne concerns, skip this brand entirely. It’s not for you and you’ll just end up stripped and sad.
The products that actually work
AHA-BHA-PHA 30 Days Miracle Toner
This is the one that made the brand. It’s a gentle acid toner — mixed AHA (glycolic), BHA (salicylic), and PHA (gluconolactone) — with tea tree on top. The genius is the ratio: it’s low enough to use every day without destroying your barrier, but high enough to actually clear blackheads and prevent new pimples.
I use it as a second step after cleansing, once a day at night. Soak a cotton round, sweep once over the whole face, move on. Don’t double-dip unless you want to find out what a barrier flare looks like.
AHA-BHA-PHA 30 Days Miracle Cleansing Bar
A solid cleansing bar with tea tree and the same acid complex. I’m picky about bar cleansers because most of them are too alkaline, but this one sits at a reasonable pH and doesn’t leave my face squeaky. Great for back and chest acne too — use it in the shower and let it sit for a minute before rinsing.
AHA-BHA-PHA 30 Days Miracle Serum
Honestly? I skip this one. The toner does most of the work, and if you want to add a more targeted treatment I’d reach for a dedicated BHA or niacinamide serum instead of a “everything at once” serum. Buy the toner and cleanser, skip the serum, and put the saved money toward a good moisturizer.
Yuja Niacin 30 Days Miracle Brightening Toner
This is for post-acne marks — those stubborn dark spots that stick around for months after the pimple is gone. Niacinamide plus yuja (Korean citrus). It’s not as hyped as the AHA-BHA-PHA toner but if you’re past the breakout stage and stuck with hyperpigmentation, this is where I’d start.
How to layer Some By Mi without destroying your face
The mistake everyone makes is buying the whole kit and using every product twice a day. Don’t. Here’s how I’d actually run it: morning — gentle cleanser, hydrating toner (not Some By Mi), moisturizer, sunscreen. Night — Some By Mi cleansing bar, AHA-BHA-PHA toner, hydrating essence, moisturizer.
Acids at night only. Sunscreen every morning without exception. If you skip the sunscreen step you’re going to end up with worse hyperpigmentation than you started with.
Real talk on timelines
The product is called “30 Days Miracle” and every single person who buys it checks their face every morning for 30 days. I get it. But the honest timeline is: blackheads start improving in week 2, active breakouts in week 3-4, post-acne marks take 2-3 months. If you’re not seeing blackhead improvement after 4 weeks, it’s not the product for your skin.
Pair this with a proper routine — I walk through building one in my best Korean skincare kits guide if you want the whole starter setup.