COSRX Ultra-Light Invisible Sunscreen SPF 50, 50ml

COSRX Ultra-Light Invisible Sunscreen is a 50ml lotion listed at SPF 50, with the product description also claiming PA++++ protection. It is presented as a lightweight, hydrating sunscreen with no white cast, and the listing says to reapply regularly, especially after swimming, sweating or towel drying.

At a glance

The listing describes it as lightweight, fast-absorbing and invisible, with no white cast.
Described as hydrating and suitable for use before makeup.
The listing claims water resistance and recommends reapplication after swimming, sweating or towel drying.

Price

£9.22Save 46%

Reference price: ~~£16.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

The compact 50ml lotion format is described as a lightweight option for daily facial sun protection.
Customer feedback reports a light feel, hydration and little or no white cast.

Technical specifications

15 specifications

Identity
Brand	COSRX
Model	8809598456242

Protection and formula
Sun protection factor	50 Sun Protection Factor (SPF)
Water resistance listed	Water Resistant
Scent	Unscented
Form	Lotion
Active ingredient listed	Aloe Barbadensis Leaf Water
Skin type	All
Special features	Ultra-Light Invisible, No White Cast, Lightweight & Fast-Absorbing, Hypoallergenic
Material features	Paraben-free, sulphate-free, and phthalate-free
Material type free	Paraben-free, alcohol-free, silicone-free, sulphate-free

Size and dimensions
Volume	50 Millilitres
Dimensions listed	25 x 30 x 100 millimetres
Weight listed	55 Grams
Number of items	1

What to know before buying

The listing describes SPF 50 and PA++++, but the exact protection claims and water-resistance duration are not further specified. Apply generously before sun exposure and reapply regularly, particularly after swimming, sweating or towel drying. Customer reports on skin irritation are mixed, so individual tolerance may vary.

Who is it for?

A good fit for

Buyers seeking an unscented SPF 50 face lotion that the listing presents as lightweight and suitable beneath makeup.
Those who prefer a 50ml sunscreen described as hydrating and without a white cast.

Less suited to

Buyers who need confirmed water-resistance duration or a guarantee that the formula will not irritate their skin.

COSRX Ultra-Light Invisible Sunscreen SPF 50, 50ml · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 2,727 ratings

5 stars76%76%
4 stars13%13%
3 stars6%6%
2 stars2%2%
1 star3%3%

Customer feedback describes the sunscreen as effective, lightweight and moisturising, with users appreciating its texture and reporting little or no white cast. These impressions align with the listing's lightweight, fast-absorbing lotion description, but are customer perceptions rather than verified performance. Experiences are mixed on value and irritation, with some users reporting skin burning while others say it does not irritate or sting their eyes. This variation matters if you have reactive skin or are choosing it for daily facial use.

Positive themes

Customers report a lightweight feel and hydration.
Customers appreciate the texture and report that it does not leave a white cast.

Mixed feedback

Feedback is mixed on value for money.
Some customers report skin burning or irritation, while others report no irritation or eye stinging.

Frequently asked questions

What sun protection is listed?

The product details list SPF 50. The feature text also claims PA++++, but the supplied details do not give further test or protection information.

Is it described as water-resistant?

Yes. The product details say “Water Resistant”, but do not specify a duration. The listing advises reapplying after swimming, sweating or towel drying.

Does it leave a white cast?

The listing claims no white cast, and customer feedback also reports that it does not leave one. Individual experience may differ.

Can it be used under makeup?

The listing describes it as a non-oily makeup base. It advises applying generously before sun exposure.