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Hair on the first visit should be at least 1/3 - 1/2 inches in length. That's about the width of your pinkie fingernail. If you think your hair is too long and you're not comfortable about trimming before you arrive, no problem. I'll take care of that at your appointment.
This step removes excess dead skin, allowing the sugar paste to adhere to more hair. For a safe, healthy DIY scrub, mix olive oil with raw sugar to make a soft paste. Gently apply in a circular motion. Rinse.
You may be anxious about having a personal sugaring service done such as a Brazilian, bikini, face, etc. Perspiration, body twitching, etc. is normal. There are linen sheets, aromatherapy, soft music, candles, etc. to ease your anxiety.