No, not all hair clippers cut the skin—but improper use, dull blades, or design flaws can cause nicks or irritation. Here's a detailed breakdown:

1. Clippers Designed for Safety

Rounded Blade Tips: Most modern clippers (especially pet/human models) have blades with rounded edges that glide over skin without breaking it. skin without breaking it.
Guard Combs: Plastic attachments physically block blades from touching skin.
Low-Vibration Motors: Reduce accidental slips caused by hand fatigue.

2. When Skin Cutting Occurs

Dull Blades: Instead of cutting hair cleanly, worn blades tug hair and pull skin into the blades, causing nicks.
Excessive Pressure: Pushing clippers too hard into the skin—especially on bony areas (ankles, tailbones, spine).
Moles/Skin Tags: Unseen bumps or growths can catch on blade edges.
Wrong Technique: Using pet clippers on humans, or going against skin folds (armpits, groin).

3. Skin-Safe Practices

Stretch Skin Taut: Use your free hand to flatten skin before clipping—essential on loose skin (elbows, necks).
Avoid "Blade-Avoid "Blade-Only" on Sensitive Zones: Only" on Sensitive Zones**: Never use guardless clippers near thin-skinned areas (face, genitals, stomach).
Check for Dullness: Blades pulling hair? Stop immediately. Sharpen or replace.
Direction Matters: Move clippers with hair growth, not against it* hair growth, not against it.

4. High-Risk Areas

5. Brands/Models Less Likely to Cut

Human Hair Cl- Human Hair Clippers: Wahl, Andis,ippers: Wahl, Andis, Philips (prioritize Philips (prioritize skin-safe blade designs).
Pet Clippers: Andis Pro Pet Clippers: Andis ProPet, Wahl Bravura (rounded "Safety Blade" series).
Avoid: Generic/unbranded clippers, rusty blades, or "heavy-duty" tools lacking safety features.