Recognizing signs of sun damage early can help in preventing more severe health issues. Key indicators include: - Sunburn: Red, painful skin that is hot to touch. - Photoaging: Premature aging signs such as wrinkles, leathery skin, and age spots. - Actinic Keratosis: Rough, scaly patches on the skin that can be precancerous. - Melanoma: New or changing moles, or spots that are asymmetrical, have irregular borders, multiple colors, a diameter over 6mm, or are evolving in shape or size.