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O HUI

O HUI DAY SHIELD NIACINAMIDE 5% Tone Up Sun SPF50+ PA++++ 50ml

$22.08
Broad-spectrum daily UV defense Helps visibly brighten dull tone Supports a more even-looking complexion Comfortable tone-up finish
Dark spot intensive tone-up sunscreen that provides UV protection, natural tone-up, and freckle improvement all at once.Contains 5% niacinamide to improve freckles and brighten and radiate the skin.Contains 2% tranexamic acid to soothe the skin and brighten and clear the skin.With a moisture-rich, easy-to-spread texture, it creates a...
Brightening sun care with a natural tone-up finish.
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SPF50+ PA++++ Niacinamide + tranexamic acid care Tone-up sunscreen
niacinamide tranexamic acid UV filters
O HUI DAY SHIELD NIACINAMIDE 5% Tone Up Sun SPF50+ PA++++ 50ml
O HUI DAY SHIELD NIACINAMIDE 5% Tone Up Sun SPF50+ PA++++ 50ml Default Title
$22.08
Clinically proven actives Dermatologist tested 100% authentic Korean Cruelty-free
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$22.08

niacinamide, tranexamic acid, and UV filters

Niacinamide works at the junction between melanocytes and keratinocytes, intercepting melanin transfer before pigment reaches the visible surface. It simultaneously boosts ceramide synthesis to strengthen the lipid barrier, which is why consistent use addresses both discoloration and dehydration. In this sunscreen, Niacinamide targets dark spots, delivering visibly brightens skin tone and fades uneven patches with consistent use.

Niacinamide 5%
intercepts melanin transfer to fade spots and refine pore texture from within
Tranexamic Acid 2%
blocks melanin transfer to fade stubborn dark spots that resist other treatments
The texture

Lightweight, non-greasy

Dark spot intensive tone-up sunscreen that provides UV protection, natural tone-up, and freckle improvement all at once.
Contains 5% niacinamide to improve freckles and brighten and radiate the skin.
Contains 2% tranexamic acid to soothe the skin and brighten and clear the skin.
With a moisture-rich, easy-to-spread texture, it creates a naturally radiant skin.
With a mixed formula of organic and inorganic sunscreens, it effectively blocks UVB and UVA.

Men's Skin sun damage dark spots dullness
Hover the swatch: it ripples like water

How to use

1

Apply as the last step of your morning skincare routine.

2

Spread evenly over the face and any exposed skin.

3

Use an adequate amount 15 minutes before sun exposure.

4

Reapply every 2 hours, or after sweat, water, or towel drying.

Full transparency

Ingredients

Niacinamide, tranexamic acid, and mixed UV filters in a moisture-rich tone-up base.

This formula combines two core sunscreen goals: strong daily UV protection and visible tone support. A blend of organic and inorganic UV filters helps reduce exposure to UVA and UVB, the wavelengths most associated with discoloration, rough texture, and premature visible aging. The treatment side of the formula comes from 5% niacinamide and 2% tranexamic acid, two ingredients commonly used in brightening-focused skincare. Niacinamide helps support barrier function and improve the look of uneven tone, while tranexamic acid is often chosen to help skin appear calmer and more uniform. The moisture-rich base also matters: when a sunscreen spreads evenly and feels comfortable, users are more likely to apply the full amount and reapply through the day. That makes the formula commercially useful as both a protective step and a cosmetic finishing step. That balance between protection, comfort, and even wear is what makes the formula more useful in real daily routines.

The detail

Specs & details

FormatUV protection cream
SizeDefault Title
Skin typesAll Skin Types
Country of originSouth Korea
Before you add to cart

Questions & answers

Two finger-lengths for the face and neck. Most people under-apply sunscreen, which reduces the effective SPF.
Some users find this hydrating enough on its own. For dry skin, a light moisturizer underneath is recommended.
SPF protection degrades with sun exposure, sweat, and friction. Reapply every 2 hours during direct sun exposure for consistent protection.
Sunscreen significantly reduces UV-induced tanning and damage but does not block 100% of UV rays. Consistent application minimizes cumulative sun damage.
Yes, this formula is developed to be compatible with all skin types dealing with dark spots. If you have very reactive skin, patch test on the inner arm before full application.
Mineral-based sunscreens are generally considered safe. Check the ingredient list for your specific concerns and consult a dermatologist if needed.
Niacinamide intercepts melanin transfer to fade spots and refine pore texture from within. Consistent daily use is key to seeing the full benefits.
Check the active ingredients list. Chemical filters absorb UV rays; mineral filters (zinc oxide, titanium dioxide) reflect them. Some formulas combine both.
Store in a cool, dry place away from direct sunlight. Use within 12 months of opening for optimal freshness and efficacy.
Korean sunscreen formulations prioritize both protection and cosmetic elegance, delivering high SPF with minimal white cast, lightweight texture, and skincare benefits.
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O HUI
About the brand

OriginSeoul, KR
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