ROUND LAB Birch Juice Moisturizing Sun Stick 19g + 19g

Two sun sticks: separate the storage, never add their SPF ratings.

Best for

You have assessed the birch stick formula and direct application and want a spare.

Format

Stick

Contents

2 pcs

₩14,500 per unit

KFDA claims

UV protection (KFDA)

₩29,000

Retail price in Korea (KRW) at the time of listing. Actual prices may vary.

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What it is

Compare Birch Juice Moisturizing Sun Stick 19g + 19g when you want a spare of a format you already use. One can be active and the other reserved. The number describes total weight and stock, not an added sunscreen rating.

Read the formula and format

Coco-Caprylate/Caprate, Dibutyl Adipate, Synthetic Wax and Ozokerite form part of the solid base. Listed filters include Diethylamino Hydroxybenzoyl Hexyl Benzoate, Ethylhexyl Triazone, Polysilicone-15 and Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine. Niacinamide, Glyceryl Glucoside, hyaluronate materials, several peptides and Adenosine also appear. Butyloctyl Salicylate is a different labeled material from Salicylic Acid.

Choose within your routine

Raise about 5mm and spread evenly without overextending the solid. This handling length does not define application amount or swipe count. A spare does not remove the need for reapplication and coverage checks outdoors. Consider the pack’s storage guidance and avoid prolonged storage in places that become hot, such as a car.

Read Kolmar Korea, 30 months unopened and 12 months opened for each stick. Follow the actual expiry and manage surface and cap. A sealed spare cannot be stored indefinitely; distinguish gifts from the two main sticks.

A buying question answered

The difference is two of the same SPF50+ PA++++ stick. Birch Sap 1,045ppm does not become twice the concentration, and two 19g containers are not one 38g stick. Choose sequential use or separate locations according to your routine, tracking each opening date and actual expiry.

Use and comparison choices

At the final skincare stage, turn the lower dial to raise about 5mm. Spread directly and evenly over skin, checking all exposed areas. Do not overextend the solid; close after use and reapply as needed outdoors.

Compare one 19g stick initially, or the 15g cushion for a puff-based method.

Compare Torriden DIVE IN as an earlier hydration option. Add it only if needed, then let the moisture stage absorb before even sunscreen application. Hydration serum does not replace UV protection.

References

Source 1 · Source 2

This guide covers the Korean listing; localized ingredient names are editorial translations. Check your regional pack.

What works

Two 19g sticks total 38g for comparison with a single stick.
19g × 2 sales size; compare other sizes and extras separately.

What to watch

Alternating or layering two sticks does not create SPF100.

Skip it if

A listed ingredient has caused a reaction, or the area is wounded or reacting.

Key ingredients

NiacinamideEWG 1
A form of vitamin B3 that acts on the step where melanin transfers into skin cells, which is the basis for its use in tone-evening products. Research also covers barrier lipid production and oil control, giving it unusually broad application. In Korea it is a listed brightening functional ingredient, commonly at 2 to 5 percent.
AdenosineEWG 1
A nucleoside involved in cellular energy metabolism, approved in Korea as a listed anti-wrinkle functional ingredient. The regulated level is 0.04 percent, and that figure often appears directly on packaging. Because it is well tolerated it is routinely combined with other anti-ageing actives.
Hyaluronic Acid
A glycosaminoglycan found in human skin and joints, notable for how much water it can draw in and hold. Cosmetics usually use the water-soluble sodium salt, though the acid form is sometimes listed directly. Molecular weight determines whether it sits on the surface or works down between corneocytes.

Description

How to use and where it fits

1
At the final skincare stage, turn the lower dial to raise about 5mm.
2
Spread directly and evenly over skin, checking all exposed areas.
3
Do not overextend the solid; close after use and reapply as needed outdoors.

Consider instead

Compare one 19g stick initially, or the 15g cushion for a puff-based method.

ROUND LAB Birch Juice Moisturizing Sun Cushion 15g

₩24,000

Questions people ask

How do I use it?

Does the double set have a higher SPF or concentration?

What can I pair with or compare?

ROUND LAB Birch Juice Moisturizing Sun Stick 19g: SPF50+ PA++++ and Birch Sap 1,045ppm are labeled. ROUND LAB Birch Juice Moisturizing Sun Cushion 15g: SPF50+ PA++++, Zinc Oxide and Titanium Dioxide are listed. Compare one 19g stick initially, or the 15g cushion for a puff-based method. Compare Torriden DIVE IN as an earlier hydration option. Add it only if needed, then let the moisture stage absorb before even sunscreen application. Hydration serum does not replace UV protection.

Full Ingredients

Water, Coco-Caprylate/Caprate, Dibutyl Adipate, Synthetic Wax, Butyloctyl Salicylate, , Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer, Butylene Glycol, , Ozokerite, , Vinyl Dimethicone, , , Betula Platyphylla Japonica Juice (1,045ppm), Glyceryl Glucoside, , Laminaria Japonica Extract, Ulmus Davidiana Root Extract, , Viola Mandshurica Flower Extract, Dioscorea Japonica Root Extract, , , , Purslane Extract, , , , Dipeptide Diaminobutyroyl Benzylamide Diacetate, , , , , , , , , Pentapeptide-3, , , Ethylhexylglycerin, Polyglyceryl-5 Polyricinoleate, Glyceryl Caprylate, Caprylyl Glycol, Oryza Sativa (Rice) Bran Oil, Lauryl Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone, Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate, Sodium Chloride, 1,2-Hexanediol, …