• Pre-treatment booster essence
  • Calms redness and irritation
  • Gentle exfoliation, low irritation
  • Pink tint from vitamin B12

What it is

A pre-treatment booster from Percent Science, a Korean skincare brand built around patented ingredient complexes. It calms troubled skin and preps it to get more out of the steps that follow.

What it does

Vitamin B12 and panthenol calm redness and irritation while succinic acid gently loosens dead skin and unclogs pores without scrubbing. It also helps the serum and cream you layer on top absorb and perform better.

Who it's for

Acne-prone and sensitive skin that needs calming before treatment, or anyone whose routine feels like it is not absorbing.

How to use

How much: A few drops, smoothed over the face.

1. Apply to clean skin after cleansing.
2. Press gently until absorbed.
3. Follow with serum, then cream.

Where it fits: Right after cleansing, before serum, morning and night.

Inside the formula

Vitamin B12

Calms irritated skin and gives the formula its natural pink tint.

Panthenol

Pro-vitamin B5 that helps skin feel soft and hydrated

Ammonium Glycyrrhizate

Helps keep oil in check and calms redness.

Resveratrol

An antioxidant that helps defend skin against environmental damage and uneven tone.

Succinic Acid

A gentle exfoliant that loosens dead skin and excess oil without scrubbing.

Why we stock it

We stock this because the pink tint tells you something real: B12 for calming, no artificial color. It is the rare booster that actually earns its step.

The Nexus standard

Vetted before it lists

Every brand on our shelf is screened before it can sell here. Fewer than you'd think make it through.

Direct from the maker

We work directly with independent brands and skip the retail markup, so you pay less for the same products.

30-day returns

Changed your mind? Returns are easy within 30 days on unopened products. Secure checkout, always.

About the brand

PERCENT SCIENCE

Clinical Korean skincare, demystified

Percent Science is a skincare brand developed by biotech researchers, originally formulated for high-end dermatology and aesthetic clinics in Korea before debuting in the U.S. Their formulas use carefully selected ingredients from Germany, Korea, and France, paired with a patented delivery technology for deep absorption. The whole point is medical-grade skincare without the medical-grade gatekeeping.

We stock Percent Science because it brings clinic-level anti-aging formulas to the shelf at prices that don't require a dermatologist's budget.

Skincare questions, answered

Where does this go in my routine?

Thinnest to thickest: cleanser, toner, serum, moisturizer, then SPF in the morning. This product's How to use section above tells you its exact step.

When will I see results?

Give it 4 to 6 weeks of consistent use — that's one full skin cycle. Hydration shows up in days; tone and texture take weeks. If your skin reacts badly (stinging, new breakouts that don't settle within a week), stop using it.

I have sensitive skin. Will this irritate me?

Patch test first: a dab behind your ear or along your jawline, wait 24 hours. Fragrance-free formulas are the safest bet for reactive skin — check the highlights on this page.