Which ingredient is commonly found in anti-aging products?

Collagen is a key ingredient commonly found in anti-aging products due to its significant role in maintaining skin elasticity and hydration. As we age, the natural production of collagen in our bodies decreases, leading to the appearance of fine lines, wrinkles, and sagging skin. By including collagen in skincare formulations, these products aim to replenish and support the skin's structure, thereby helping to restore a more youthful appearance.

While other ingredients listed have their own benefits—such as salicylic acid for acne treatment, glycolic acid for exfoliation, and tea tree oil for its antibacterial properties—they do not specifically target the signs of aging in the same way that collagen does. Collagen's direct involvement in the skin's overall firmness and resilience makes it a cornerstone ingredient in anti-aging skincare.