Growth factors are proteins that help stimulate cell growth and collagen production. They are found in high-end serums and can be very effective for mature skin, but they are a significant investment and should be paired with other actives.
You may need to treat different zones differently. Use a balanced cleanser, and consider applying a lighter moisturizer on the T-zone and a richer one on the cheeks. A niacinamide serum can benefit the entire face.
Broad-spectrum sunscreen. It is the universal, most effective product for preventing wrinkles, regardless of gender, skin type, or age.
The neck is often exposed to UV rays during driving, outdoor activities, or wearing low-cut tops. Cumulative sun exposure causes photoaging, leading to wrinkles, sunspots, and loss of firmness.