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Are Silicones Bad for Your Hair?

Published by Sabino Hair on Oct 15th 2025

Frizzy Hair Care — What Ingredients Can (and Can’t) Do

Many people believe that “natural” or organic oils are better for frizzy hair than silicones, assuming that silicones coat and damage hair over time. That’s not quite true. Let’s take a closer look.


Are Silicones Bad for Your Hair?

No — not when they’re used correctly.

Silicones such as dimethicone, cyclopentasiloxane, and amodimethicone are widely used in professional haircare because they smooth the cuticle, reduce friction, and help lock in moisture. High-quality silicones do not damage the hair or prevent moisture from entering when properly formulated and cleansed with a gentle shampoo.

By contrast, heavy natural oils (like coconut, olive, or shea butter) can weigh hair down and, with infrequent washing, may create buildup that makes frizz worse. Over time, that residue can leave hair dull, limp, or brittle. These oils can oxidize or go rancid if left on the hair for long periods — especially in warm, humid environments — although they do not literally breed bacteria.


Why Moisture Block Is Different

Most anti-frizz serums use diluted blends of silicones mixed with fillers or water, which limits how long the protection lasts. Sabino Moisture Block is different — it uses a carefully balanced blend of four pure cosmetic silicones without additives or waxes.

This unique formula forms a breathable, flexible barrier that:

  • Seals in internal moisture while blocking external humidity

  • Prevents frizz in any climate

  • Leaves hair smooth, soft, and shiny without buildup

  • Won’t go rancid or dry out the hair

Used as directed, Moisture Block keeps the hair’s natural elasticity and strength intact, helping it look healthier and resist breakage over time.


Bottom line: The key to beautiful, frizz-free hair isn’t whether an ingredient is “natural” or “synthetic” — it’s whether it’s balanced, stable, and designed to protect your hair in real-world conditions.

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