Sebamed Anti-Dandruff Shampoo is generally considered safe for teenagers. It is formulated to be gentle on the scalp while effectively treating dandruff. However, here are some key points to consider:

• Suitability: The shampoo is designed for people with dandruff issues, including teenagers.
• Ingredients: It contains active ingredients like piroctone olamine, which helps reduce dandruff without harsh chemicals.
• Safety: It is mild and usually well-tolerated, but if a teenager has sensitive skin or allergies, a patch test is advisable before regular use.
• Usage: Follow the instructions on the bottle for best results, usually applying it a few times a week.
• Consultation: If dandruff persists or worsens, consulting a dermatologist is recommended to rule out other scalp conditions.

Overall, Sebamed Anti-Dandruff Shampoo can be a safe and effective option for teenagers dealing with dandruff, provided it is used as directed and any skin sensitivities are monitored. It is best to consult a dermatologist for personalized advice.