[unpaid/sample/ad/affiliate] Thank goodness I tried this out a couple of weeks ago under foundation and not in the midst of a heatwave. First, what it should be doing: filter, blur and diffuse. I’m always in two minds about primers but this one does seem to have a bit more about it than many when it comes to perfecting your ‘canvas’.

Becca Backlight Priming Filter

It’s lightweight in texture and while you cannot expect too much of the blurring of ‘imperfections’ (their word, not mine), because that’s a trick of the light that – from something as sheer as this – is only ever going to be nominal. What it does do, however, is give a veil of mild luminosity which is nice on bare skin as a glow amplifier that doesn’t make you look radioactive.

Becca Backlight Priming Filter

Under a full coverage foundation, all the luminosity will be gone so in my view, it’s best to use under a sheer to mid level. In priming terms, I find it almost impossible to tell whether bases last longer – I didn’t notice particularly that Becca did, but neither did I feel that it hadn’t, which I do realise is most unhelpful as an actual review. But, that’s my primer reservation – it’s somewhat subjective. I’m using only very light bases (Chanel) and even then not often. I know that primer fans rave about them – particularly Hourglass – but I think they’re for the complexion perfectionists and not for day to day wear on someone like me who doesn’t appreciate their finer qualities. I like this first and foremost for bare skin light luminosity that feels sheer and weightless. It’s £28 HERE, non affiliate HERE.

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