An ill-fitting bra with underwires that dig in or straps that are too tight can contribute to skin irritation and creasing. Ensure your bras fit correctly and are comfortable.
Yes, but gently. Chemical exfoliants (like lactic acid or PHAs) are preferable to physical scrubs. They effectively remove dull, dead surface cells without tugging on delicate skin, revealing brighter skin and helping other products penetrate better.
Only moisturizing when hands feel dry and, most importantly, completely neglecting daily sunscreen application on the backs of the hands.
Layer hydrating products: use a hyaluronic acid serum on damp skin followed by a light moisturizer to lock in moisture without heaviness.