Blush sticks are an excellent choice for mature skin as they offer a dewy finish and are easy to blend, giving a natural flush of color. Here are some of the best blush sticks for mature skin:

1. "NARS The Multiple Stick": This multi-purpose stick can be used on eyes, cheeks, lips, and body. Its creamy formula and sheer color are perfect for mature skin. The product is enriched with antioxidants, which help to protect the skin.

2. "Clinique Chubby Stick Cheek Colour Balm": This oil-free stick is perfect for mature skin as it provides a healthy glow without emphasizing fine lines or wrinkles. It contains squalane, a powerful hydrating ingredient that mimics your skin's natural oils.

3. "Fenty Beauty Match Stix Shimmer Skinstick": This long-wear, light-as-air shimmer stick is perfect for adding a touch of glow to mature skin. It is formulated with a weightless, cream-to-powder texture that is blendable and lives up to its 'light-as-air' claim.

4. "Bobbi Brown Pot Rouge for Lips & Cheeks": This cream-based product is perfect for mature skin as it blends easily and offers a subtle, natural-looking color. It is enriched with jojoba and avocado oils for added hydration.

5. "Glossier Cloud Paint": Although not a stick, this gel-cream blush deserves a mention. It is seamless, sheer, and buildable, perfect for mature skin. It contains collagen, which helps to plump the skin and smooth out fine lines.

Remember, the key to applying blush on mature skin is to start with a small amount and gradually build up to the desired intensity. Also, always blend well to avoid harsh lines and create a natural, youthful glow.