Chapter 172: Guarantee

"But I must tell you in advance, my technique does have side effects,"

Hearing the words "side effects," Zhu Mengyao frowned deeply, "What kind of side effects? It won't harm my sister's body, will it..."

"A bit, yes..."

Su Wen took a deep breath and explained directly to the woman, "I use metabolism to help Zhu Qi change her skin, but a single layer of skin is only a few millimeters deep, so we need to continuously replace layers of skin, and I don't know how many layers that will be."

"What harm does it cause?"

Zhu Mengyao didn't fully understand Su Wen's professional jargon, but she roughly knew it wasn't good for her sister.

"The harm is... her skin will age very quickly for a period of time, just like a little old lady, but after the last layer of skin falls off, she should be mostly okay."

Zhu Mengyao nodded her head like a pecking hen and continued, "Then... is there anything else?"