I spent 10 years living on france, and all around the country in very different regions, in cities and the countryside too, plus Paris. In some of the godforsaken parts of thr country, trust me, there are women walking around with chunky straightened highlights and wobbly bits!
Its simple though: those med women have better bodies and as they turn old they develop this mahogany sinewy look which I think looks great
However British women, even if its buried deep beneath an astonishing layer of makeup, and even if it can be blotchy, have better skin, plumper and smoother, even the hardcore older drinkers and smokers. I'm not sure why this is. But I have rarely seen those same sunken weathered faces you see on the med so I can only conclude that sunlight is probably the single worst thing you can do for your skin, well above smoking and drinking.
My french SIL is 45 and she has an absolutely amazing body, really slim and muscular despite two kids, and it's pretty natural as shes fairly sporty but doesnt go to the gym. However...I am being objective here as I love her...Her face is deeply creased and facially she genuinely looks older than my mum, who is 65. I think that's because from May on, she spends all afternoon baking on her terrasse and in the winter she also does some UVs.
Her hair and nails are very important to her. Her ends always look freshly trimmed and her nails are always done. She wears very boring clothes that always look great, and this isnt someone who has a lot of money at all, if she had a Primark near her she would shop there. Through the autumn and winter she only wears black. Black dresses with black ankle boots. That's it. In the spring and summer she changes it to white and only wears white dresses with strappy heeled tan sandals.
On her low key days she will wear skinny jeans with a black or white tshirt and pristine white trainers. I have never seen her wear anything with colour or embellishments such as prints or ruffles.
Overall I would say that the biggest thing these continental women have going on is the tanned skin. I'm not sure why this is but a tan makes everything else, be it extra weight or frizzy hair, look fine. Even if you have perfectly blemish free pale skin, it doesnt look as pulled together when you are dressing down. I have no idea why this is, there has to be an explanation for it!
On the other hand, I would say that fair skin especially with light eyes looks fresher and better when the light changes and the weather goes darker. So I would say that the stereotypical indigenous British pallor is actually perfectly suited to the indigenous climate.
If you want to look "in place" when you go to the Med next time, I would get a tan before you go, even a fake one. I would also stop with the summer wardrobe thing: it's a really British thing to buy all these "summery" clothes, just wear what you would wear in autumn without a cardigan or tights. The only people I saw in france wearing cute prints, ruffles, bright colours, seasonal "trend" pieces were teenage girls. Or those 80 year old beach babes who had clearly stopped giving a fuck 😁
We all come into our own, in our own way, in our own time and place.