Estelin Ultra-Light Hydrating Invisible Suncreen 100g (80 SPF PA+++)

What it is
It claims SPF 80 and PA+++ (which implies UVA protection level roughly PPD 8–16) in a lightweight, “invisible finish” sunscreen.
Marketed as: “Ultra-Light Hydrating Invisible” texture, non-greasy, fast-absorbing, suitable for all skin types.

Key ingredients include: niacinamide, sodium hyaluronate (hyaluronic acid), tocopherol (vitamin E), ceramide, etc.
Suitable for use under makeup and everyday use.

Why it might be appealing for Lagos/humid climate
The high SPF (80) is attractive, because in tropical/sunny regions more intense UV exposure occurs.
The “invisible” and “no white cast” claim is a plus for darker skin tones (though you’ll want to test it). For instance, one listing says “does not leave a cast on the face after application.”
Hydrating ingredients (hyaluronic acid, etc) are helpful in humid yet sometimes dehydrating conditions (sun + air-conditioning).
Lightweight texture is beneficial for hot, humid climates where heavy sunscreens feel uncomfortable.Things to verify / drawbacks

Broad-spectrum coverage: While it claims UVA + UVB, I found a detailed ingredient analysis that indicates the UV filter list may not cover a highly stabilized, very high UVA-protection system. For example:
“It absorbs UVB radiation (at wavelengths: 280–320 nm) … It only protects against UVB … so always choose products that contain other sunscreen agents to give stable and broad-spectrum protection.”
This suggests the UVA component may be limited, or not as robust as some premium sunscreens.

Mixed user feedback:
Some users say “It’s light and no white cast.”

So the “invisible finish” claim may depend a lot on your skin tone and how you apply it.

Ingredients to note: contains mineral oil, methylparaben, etc. Some people prefer avoiding these. For example, the ingredient list includes “mineral oil, methylparaben”.

Given intense sun in Nigeria, frequent reapplication is crucial: product usage instructions emphasise applying generously and reapplying every 2 hours (or after sweating/swimming).
Be cautious about authenticity and proper storage, especially if bought from third-party sellers.

🔍 My recommendation
exposure:
This product can be a good everyday sunscreen (especially if your sun exposure is moderate: commuting, indoors + outdoors, but not extreme prolonged outdoor).

If you will be outdoors a long time (e.g., midday sun, beach, etc), I’d pair this with additional sun-protection measures (hat, shade, reapply etc) or consider a sunscreen with higher UVA protection (e.g., PA++++ or PPD 20+).

Before buying, test how it looks on your skin tone: check for white cast, how it sits under your makeup if you wear it.

Make sure to use enough quantity (for face + neck apply generous amount) and reapply every ~2 hours when outdoors.

Monitor how your skin reacts (especially under intense sun/humidity) for any signs of irritation or cast.

As with any sunscreen, don’t just rely on SPF number: the filters, stability, formulation matter.