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O HUI

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

$22.08
Visibly brightens skin tone and fades uneven patches Provides intensive moisture that sinks in without heaviness Calms irritation and reactive redness on contact

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.

Brightening sun care with a natural tone-up finish.
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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
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
Ingredient-focused product details Clear use directions Full INCI when available Delivery confirmed at checkout
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Niacinamide 5%

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
Texture

Lightweight, non-greasy

All Skin Types
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.

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Ingredients

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

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.

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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