Answer: At the outset, one should understand the importance of modesty. Nabi صلى الله عليه و سلم   said:

عن أبى هريرة – رضى الله عنه – عن النبى – صلى الله عليه وسلم – قال « الإيمان بضع وستون شعبة ، والحياء شعبة من الإيمان » . صحيح البخارى

“Iman consists of sixty-odd branches. And modesty is a very important branch of Iman.” Bukhari

Once Nabi صلى الله عليه و سلم was asked about the awrah:  “What should be covered and what can be left open?” Nabi صلى الله عليه و سلم replied: “Do not expose your awrah except your spouse.”  Nabi صلى الله عليه و سلم was further asked: “What if some people are in the presence of others?” Nabi صلى الله عليه و سلم replied: “If you are able that nobody sees your awrah then do not let anybody see it.” Abu Dawood

The Awrah of a  male is the area between the navel and the knees.

The Awrah of a Muslim woman unto another Muslim woman is also the area between the navel and the knees.

The Awrah of a Muslim woman unto a non-Muslim woman is the entire body besides the hands, feet, and face.

Hence, it is not permissible for a male or female to expose the area between the navel and the knees for the purpose of waxing or laser hair removal.

Furthermore, if the person doing the waxing or laser for a Muslim female, is a non-Muslim female –  then it will not be permissible for her to do the waxing or laser of the Muslim female’s legs, arms, or any other part of the body, except the face, hands, and feet because a Non-Muslim female is only allowed to see the hands, face, and feet of a Muslim lady.

It is also not permissible for a strange female to do waxing or laser for a strange male or for a  strange male to do waxing or laser for a strange female.

Added to this, one should abstain from going to salons as these are places where many violations of the laws of Almighty Allah take place.

و تنظر المرأة المسلمة من المرأة كالرجل من الرجل و الذمية كالرجل الأجنبي في الأصح فلا تنظر الي بدن المسلمة مجتبي (تنوير الأبصار و جامع البحار، ج 4، ص 371، ايج ايم سعيد)

و في شرح الأستاذ عبد الغني النابلسي علي هدية ابن العماد  عن شرح والده الشيخ اسماعيل علي الدرر و الغرر: لا يحل للمسلمة ان تنكشف بين يدي يهودية أو نصرانية أو مشركة الا أن تكون أمة لها كما في السراج (رد المحتار، ج 4، ص 371، ايج ايم سعيد)

And Allah Ta’ala Knows Best

Yusuf Moosagie