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In case you’re on the hunt for a hydrating serum that goes past the fundamentals, the Sunday Riley Tidal Deep Hydration and Plumping Serum is one which genuinely stands out. From the very first use, it seems like greater than only a typical hyaluronic acid method – it delivers that immediately satisfying plump, shiny end whereas quietly working to assist the pores and skin barrier and lock in hydration for the lengthy haul. I’ve been testing it and right here’s what you might want to know.
What’s Sunday Riley Tidal Deep Hydration and Plumping Serum?

The Sunday Riley Tidal Deep Hydration and Plumping Serum is a multi-tasking hydrating remedy designed to deeply moisturise, visibly plump the pores and skin, and assist the pores and skin barrier.
It combines a number of types of hyaluronic acid with superior hydrating and smoothing components, making it rather more than a normal hydration serum. It’s all about creating that smooth, supple, well-hydrated pores and skin that lasts all day.
Key Elements
Barrier-Supporting Elements: to strengthen the pores and skin so it will possibly retain hydration extra successfully
5 Varieties of Hyaluronic Acid: to– ship multi-depth hydration each prompt and long-lasting moisture
Polyglutamic Acid: highly effective moisture-binding ingredient that helps hold pores and skin feeling plump and hydrated for longer
Lotus-Derived Mucin (Vegan Different to Snail Mucin): to create that bouncy, glass-skin impact whereas boosting hydration
Silk-Derived Peptides: for smoother-looking pores and skin and to assist keep elasticity
Sunday Riley Tidal Deep Hydration and Plumping Serum Assessment

Texture & Utility
The feel of the Sunday Riley Tidal Deep Hydration and Plumping Serum is truthfully certainly one of my favorite issues about it.
It has a barely dense, cushioned really feel that sits someplace between a traditional serum and a light-weight cream. It feels actually satisfying to use and provides you that sense of prompt consolation on the pores and skin.

It spreads simply, absorbs effectively, and doesn’t disappear too rapidly, so you’ll be able to truly get pleasure from working it in.
Hydration & Efficiency
When it comes to hydration, the Sunday Riley Tidal Deep Hydration and Plumping Serum actually delivers.
As a result of it combines a number of weights of hyaluronic acid with polyglutamic acid, it doesn’t simply give that fast hit of hydration, it truly retains pores and skin feeling comfy and moisturised all through the day.
It genuinely feels prefer it locks hydration in, quite than simply sitting on the floor.
End on the Pores and skin
The end is superbly balanced. The Sunday Riley Tidal Deep Hydration and Plumping Serum leaves pores and skin trying contemporary, easy and barely shiny, however with out tipping into something greasy or overly dewy.
It offers that wholesome, hydrated glow that works completely each by itself and beneath make-up.
Plumping & Smoothing Impact
That is the place you actually begin to see the distinction. The serum offers pores and skin a noticeably plumper, extra elastic look, with that smooth bounce that makes every thing seem brisker and extra refined.
Over time, because of the added peptides, pores and skin may even really feel smoother and extra even in texture.
Barrier Assist
It’s not nearly including hydration, it’s about serving to your pores and skin maintain onto it. When your barrier is in good condition, every thing else in your routine works higher, and this serum actually helps that.
Closing Ideas
The Sunday Riley Tidal Deep Hydration and Plumping Serum is a good selection if you need a hydrating serum that does extra than simply the fundamentals.
It combines a extremely satisfying, barely creamy texture with spectacular hydration efficiency, plus that added advantage of barrier assist and smoothing peptides.
In case you love plump, contemporary, healthy-looking pores and skin however don’t need something heavy, that is positively value contemplating.
The place to purchase it
The Sunday Riley Tidal Deep Hydration and Plumping Serum is £70 and accessible through the hyperlinks beneath. In case you store at Sephora UK, use code REALLYREESPH for £10.50 off.
Affords
Sephora UK Low cost Code
Unique Sephora UK low cost code for 15% off
In case you are nonetheless searching for a serum, take a look at my Greatest Serums for 2026 – all Pores and skin Sorts & Budgets weblog submit.






