Final answer:
Rosewater is most effective as a toner for individuals with dry or sensitive skin.
Step-by-step explanation:
Rosewater can be most effective as a toner for individuals with dry or sensitive skin.
Dry skin types tend to lack moisture and can benefit from the hydrating properties of rosewater, which helps to alleviate dryness and improve skin texture.
Sensitive skin types are prone to irritation and redness, and rosewater's soothing and calming properties can help to reduce inflammation and provide relief.