Diets high in sugar and processed foods can cause inflammation and glycation (which damages collagen). Eating antioxidant-rich fruits and vegetables helps protect skin from within.
Consistency is the true foundation. A simple routine performed diligently every day and night is far more effective than a complex, inconsistent one. The core pillars are cleanse, treat, moisturize, and protect (with sunscreen).
Being mindful of repetitive expressions can help. Additionally, using targeted skincare and considering professional treatments like Botox can relax the underlying muscles that cause these dynamic lines to form.
While not a proven solution, being mindful of repetitive expressions like squinting (wear sunglasses!) and gently massaging the area during product application can help with circulation and relaxation of muscles.