Yes. Drinking plenty of water and eating foods rich in omega-3s (e.g., fish, nuts) and vitamin E (e.g., avocados) supports skin hydration and elasticity.
Yes, consider moving to a prescription-strength retinoid like tretinoin or a higher-concentration retinol. This is crucial for combating significant collagen depletion and smoothing deeper wrinkles. Consult a dermatologist.
For most people, it's best to start using retinol 1-2 times per week, especially if you have sensitive skin. As your skin tolerates it, you can gradually increase the frequency up to every night or every other night.
Natural oils (e.g., jojoba, argan, or marula) can be layered over moisturizers to seal in hydration, provide antioxidants, and improve skin texture without clogging pores.