If you're from my parent's generation, perhaps you refer to makeup and associated products as 'spac filler' - which affectionately refers to filling out those gorgeous smile/life lines we all have, and which get deeper as we age...
If these lines bother you, the product you need is primer.
My mum actually filled me in on a little secret called Lacura - the makeup/skin care line available exclusively in Aldi.
You can't buy it online, but this is a link to their skin care line (which my mum also swears by)
The other product you could try is
In fact, you could pair with their Age Rewind foundation, and this could be a dynamic duo!
If you want something more natural and organic (and a bit more exxy) - I just found this product which looks quite good:
But ultimately, the key if you want youthful looking skin is hydration and even skin tone.
So wear your SPF and keep skin damage at bay. And if you have pigmentation (what Australian over the age of 16 doesn't?) try products that whiten, lighten and even skin tone (eg. Clinique Even Better Skin Tone Correcting Moisturiser)