Receiving a compliment about your smile is a wonderful moment, and responding graciously will show your appreciation. Here are some good replies you can use:
"Thank you so much! Your kind words made me smile even wider."
"That's so sweet of you to say. I'm glad my smile brightened your day."
"Thank you for the lovely compliment! It's always nice to hear."
"I appreciate your kind words about my smile. It means a lot to me."
"Oh, thank you! I believe smiles are contagious, so I'm glad it had a positive effect on you."
"You made me blush! Thank you for the wonderful compliment."
"I'm flattered! Your words put an even bigger smile on my face."
"Thanks for noticing my smile. Your compliment brought me joy!"
"I'm happy to know my smile made an impression. Thank you for saying that."
"It's so thoughtful of you to mention my smile. I try to share positivity with others."
Remember to respond genuinely and with a smile if you can. Acknowledging compliments gracefully can strengthen positive interactions and create a more pleasant social environment.