A photo-led look at Karol Rosalin, the fitness influencer dubbed the 'perfect woman', whose Instagram fame and £200 bottled sweat have sparked debate about beauty, branding and hustle culture.

Every new year comes with big intentions — and the quiet fear that I'll end up doing exactly what I did last year.

Music plays, sweat glistens, and laughter echoes through the fitness studio. It's not a dance party, it's women working out. In one room, they're doing yoga under dim lighting, while in another, women ...