Secret Key

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4.5Variant: Rose

“It's packed full of galactoces which are deeply nourishing and hydrating but also have some hyperpigmentation fading benefits too”5:18–5:22
“This is a hyperpigmentation treatment and a hydrating toner in one”5:29–5:34
“It really does complement other hyperpigmentation serums that you might be using”5:34–5:39
“Beautifully hydrating”
“I like the rose one cuz I love the scent, but they do also do a fragrance-free version”5:51–5:58
“Just be careful with it in the bathroom because it is glass”6:02–6:08
Source: Korean skincare awards 2025 - best k-skincare of the year - Nov 28, 2025

4.9

“I've probably used 10 15 bottles of this over my skincare journey”4:13–4:18
“It's basically a like for like dupe for the super expensive SK-II Essence. I think that one's like £120, this is 14, so ridiculously inexpensive”4:21–4:25
“That galactomyces is going to plump. It's fermented, so it's going to hydrate”4:29–4:33
“It's like a great way to kickstart your routine”4:33–4:35
“This is a great option. It feels beautiful”4:46–4:50
“It's kind of plumping, absorbing and doing all that as we go. Feels absolutely beautiful”4:55–5:00
“Just hydrates you to the gods”5:09–5:09
“For the price point, one of the best toners around”14:31–14:34
Source: Korean skincare 2025 full routine using my favorites - Mar 15, 2025

4.9Variant: Rose

“This is the perfect dupe for the SK2 essence which is like £120. This £14 huge price differential and it's basically the same formula”7:08–7:12
“That galactomy is going to help fade hyperpigmentation, but because it's fermented, it's going to really boost hydration”7:18–7:22
“It looks beautiful”
“I just think it's a really, really nice product”7:38–7:43
“My skin drinks it up”
“I love this”
Source: Top 10 Korean Skincare Favorites 2025 - Oct 20, 2025