When is it necessary for an esthetician to wear goggles and a mask?

Wearing goggles and a mask is critically necessary during laser treatments due to the nature of the procedure and the potential hazards associated with the equipment used. Laser treatments often involve the use of concentrated beams of light, which can be harmful to both the skin and the eyes if proper protective measures are not taken. Goggles provide essential eye protection against accidental exposure to the laser light, which can cause serious eye injuries.

Additionally, a mask is important as it can help filter out any potential aerosolized particles or chemical residues that might be released during the treatment process, ensuring both the esthetician's and client's safety. The use of both goggles and a mask exemplifies the commitment to maintaining a safe working environment and demonstrates adherence to best practices in the esthetics field, particularly when using equipment that poses a greater risk of harm.

In contrast, the other options, such as applying make-up, during chemical peels, or while performing microdermabrasion, typically do not involve the same level of risk that necessitates such detailed protective gear.