Ep- 13How to use Developer correctly? | Patch Test & Volume Difference Explained | The Masterstroke

🎓 Ep- 13 | The Masterstroke with Master Deepak In today’s class, we will learn two very important things: 1️⃣ Why and how to do Patch Test? – The right way to avoid colour allergy – Step-by-step patch test process 2️⃣ Developer Practical Test (6%, 9%, 12%) – Same colour formula with three different developers – Difference in Grey coverage, lift level and undertone – Real hair swatch results are shown 🔍 Developer selection decides the final result – hence this video is a MUST-WATCH for every hair colourist! 📌 Don’t forget to: 👍 Like | 💬 Comment | 🔔Subscribe https://www.instagram.com/masterdeepa... 📩 For workshops/collaborations: [email protected] #MasterDeepak #HairColorTraining #TheMasterstroke hair developer explained hindi, patch test hair color, how to use developer, 6 vs 9 vs 12 percent developer, how does developer work, types of developer, master deepak hair course, the masterstroke hair training, hindi hair education, hair color tutorial hindi, gray hair coverage tips