V2

Keloid & Hypertrophic Scar Guide: User Guide

Understanding irritation bumps, hypertrophic scars and keloids before and after a piercing or tattoo.

Overview

The Keloid, Hypertrophic Scar & Bump Guide is an educational clinical guide published by Poli International for piercing studios, tattoo artists, and clients. It provides evidence-informed guidance on raised skin reactions, distinguishing between reversible irritation bumps, self-limiting hypertrophic scars, and invasive keloids.

The Three Raised Tissue Formations

  1. Irritation Bump (Inflammatory Granuloma / Focal Swelling):
  1. Hypertrophic Scar (Non-Spreading Collagen Fibrosis):
  1. Keloid Scar (Invasive Benign Fibroproliferative Lesion):

How to Use the Guide

1. Pre-Procedure Discussion Factors

Before booking a piercing or tattoo:

2. Settling an Existing Bump

If a bump has appeared on a healing piercing:

3. Anatomical Site Considerations

Review healing timelines and tissue characteristics across:

4. When to See a Doctor

Review the red flags checklist:

5. Doctor Consultation Worksheet

Prepare for a physician or dermatology visit:

Language Selection

A language selector is located in the upper header:

Privacy & Data Handling

Support & Feedback

Use the tool

Open the Keloid & Hypertrophic Scar Guide: User Guide. Everything runs in your browser; nothing you enter is sent anywhere.