September 30, 2026

YUNJAC Makeup Prep Guide: Base Prep, Glow Prep Base & Prep Water

THE COCOMO EDIT · YUNJAC

A smooth makeup look starts before foundation. Perhaps you want your base to sit more evenly, a little brightness on lighter makeup days, or a way to refresh a dry-looking finish. YUNJAC's Skin Perfecting range offers a different formula for each of those jobs.

The names sound similar, but the products are easy to tell apart once you focus on what you want to change. Protective Base Prep adds hydration and grip. Glow Prep Base adds a sheer tone-up finish. Glow Up Prep Water adds moisture and radiance in a fine mist. Choose one useful step, or pair the formulas for the finish you enjoy.

Choose the finish you want

Start with your makeup goal, then choose the format that suits it. These are separate products with different textures and roles.

Protective Base Prep

25ml / 40ml

Choose it for: Hydration and makeup grip
The finish: Light, serum-like prep for a smoother base
Availability: Ready Stocks · 1–3 working days

View product details →

Glow Prep Base SPF43 PA+++

30ml

Choose it for: Sheer tone-up radiance
The finish: Light beige tint with a natural glow
Availability: Ready Stocks · 1–3 working days

View product details →

Glow Up Prep Water

50ml

Choose it for: Prep, finish and refresh
The finish: Fine hydrating mist for a luminous finish
Availability: Sold Out · Restock date unconfirmed

View product details →

Protective Base Prep: hydration that helps makeup grip

If foundation tends to emphasise dry-looking texture or you want a comfortable layer before your base, start with Protective Base Prep. Its light, serum-like texture spreads easily and helps makeup adhere more evenly.

The formula includes glycerin and betaine for moisture, with ceramide, squalane and fermented botanical ingredients for conditioning care. The result is a hydrated, luminous starting point for foundation without a heavy primer feel.

Choose the compact 25ml bottle if a smaller size suits your makeup bag, or the larger 40ml bottle for your regular routine. Both sizes are the Protective Base Prep option; the choice is how much you want in your bottle.

Glow Prep Base: a little tone-up, a lot of fresh-looking glow

Reach for Glow Prep Base SPF43 PA+++ 30ml when you want your complexion to look softly brighter and more even. Its sheer light beige tint creates a polished, radiant finish.

Its sheer tone-up finish gives light complexion coverage; layer foundation when you want more coverage.

The formula contains niacinamide, vitamin E and fermented plant ingredients. If you are pairing it with Protective Base Prep, apply the primer first and Glow Prep Base next. Its stated rating is SPF43 PA+++; follow the sun-protection directions on the packaging for application and reapplication.

Glow Up Prep Water: the mist for prep and finishing touches

Glow Up Prep Water 50ml is a fine hydrating mist for use before makeup, after makeup or during touch-ups. Choose this format when you want to add moisture and refresh the look of your base without another cream layer.

Glycerin and trehalose add moisture, while niacinamide, inositol and botanical ferments form part of its conditioning formula. A light mist brings a fresh, luminous look to makeup. For a targeted touch-up, mist a makeup puff and gently pat the area you want to refresh.

Prep Water is sold out, with no confirmed restock date. You can still view its product details while choosing from the ready-stock bases.

Pick one step—or build a pair

If you already love the finish of your foundation, Protective Base Prep is the straightforward place to start for hydration and grip. If your priority is a softly brighter complexion, choose Glow Prep Base. Pair the two when you want the hydrating primer underneath that sheer tone-up finish.

Prep Water serves a different purpose: adding moisture and a fresh finish around your makeup application. You do not need all three products to enjoy the range. Let the result you want guide the choice.

How to apply your YUNJAC prep

Keep each step purposeful. Use the formulas you have chosen, and let Protective Base Prep absorb before moving on.

Prepare with Protective Base Prep

At the end of your skincare preparation, apply 1–2 pumps in a thin layer. Spread gently from the centre of the face outwards and allow it to absorb before makeup.
Add Glow Prep Base if you want tone-up radiance

Blend evenly over the face. When using both bases, apply Glow Prep Base after Protective Base Prep. Follow with foundation if you want more coverage.
Use Prep Water before makeup, after makeup or for touch-ups

Use Prep Water as a light mist before or after makeup. For a more precise refresh, mist a puff and gently pat. Follow the spray directions on your bottle.

Your YUNJAC questions, answered

What is the difference between Base Prep and Glow Prep Base?

Protective Base Prep is the serum-like hydrating primer for makeup grip. Glow Prep Base is the sheer light beige tone-up base for a brighter, more radiant-looking complexion. They can be used separately or layered, with Protective Base Prep first.

Which YUNJAC prep product has SPF?

Glow Prep Base carries the SPF43 PA+++ rating. Protective Base Prep and Glow Up Prep Water have no stated SPF rating. Follow the sun-protection directions on your chosen product.

Can I use Glow Prep Base without foundation?

Yes. Wear it for a sheer, naturally radiant tone-up finish. Add foundation when you want extra coverage; the two products offer different levels of complexion coverage.

Is Prep Water a toner?

It is a makeup prep and finishing mist. Use it around makeup application or on a puff for touch-ups, rather than choosing it as a regular toner step.

Which products can I order as ready stock?

Protective Base Prep in 25ml and 40ml and Glow Prep Base 30ml are Ready Stocks in Singapore, with delivery in 1–3 working days. Prep Water 50ml is sold out. The combined YUNJAC listing lets you choose an individual product; it is not a set containing all three formulas.

Find your YUNJAC match

Choose hydration and grip, a sheer tone-up glow, or a mist to refresh your finish. Explore the YUNJAC collection at COCOMO to compare the products, check their full ingredients and select the step that belongs in your routine.