Why Curly Hair and Silicones Are a Complicated Relationship

Curly hair is structurally different from straight hair in ways that make it both beautiful and demanding. The natural shape of the curl means that sebum from the scalp has a much harder time travelling down the hair shaft — which is why curly hair tends to be drier by nature. This also means that anything creating a barrier on the hair shaft, like silicones, has a compounding negative effect on moisture levels.

Many people with curly hair find that silicone-based products initially seem like a miracle — the curls look defined and frizz-free — but over time, build-up leads to limp, heavy curls that lose their natural pattern. Going silicone-free is one of the most impactful changes curly-haired people can make.

The Curly Girl Method and Silicone-Free Products

The widely followed Curly Girl Method (popularised by Lorraine Massey) specifically requires silicone-free products as a core principle. The reasoning is straightforward: silicones cannot be properly removed without sulfates, and sulfates strip the natural oils curly hair desperately needs. It's a cycle that leaves curls progressively more damaged.

Going silicone-free breaks this cycle and allows you to use gentler, more nourishing cleansers that preserve your hair's natural oil balance.

What to Look for in a Silicone-Free Shampoo for Curly Hair

  • Low-lather or co-wash formulas — very gentle cleansing methods that clean without stripping
  • Moisturising surfactants — look for coco glucoside, sodium cocoyl isethionate, or cocamidopropyl betaine
  • Humectants — glycerin, panthenol, and aloe vera are all excellent for maintaining curl moisture
  • Natural oils — coconut oil, sweet almond oil, or avocado oil to replenish lipids
  • No sulfates — for curly hair specifically, avoiding both silicones and sulfates together is recommended

A Simple Silicone-Free Routine for Curly Hair

Step 1: Cleanse (1–2x per week)

Use a gentle, sulfate-free and silicone-free shampoo or a co-wash (conditioner-only wash) to cleanse your scalp and hair. Focus the shampoo or co-wash on the scalp and allow it to rinse through the lengths. Curly hair generally doesn't need washing every day — over-washing strips natural oils and disrupts curl definition.

Step 2: Condition (every wash)

Apply a generous amount of silicone-free conditioner from mid-lengths to ends. Use a wide-tooth comb or your fingers to detangle while the conditioner is in. Leave it on for several minutes before rinsing — or use a leave-in conditioner as well for extra moisture.

Step 3: Apply Curl-Defining Products (on wash days)

Apply a silicone-free curl cream or gel to soaking-wet hair using the "praying hands" method (smoothing product between palms and applying to sections) or "squishing" (scrunching the product upward). This encourages curl clumping and definition.

Step 4: Dry Gently

Avoid regular towels, which cause friction and frizz. Use a microfibre towel or a plain cotton T-shirt to gently scrunch out excess water. Either air dry or use a diffuser on a low heat setting to preserve the curl pattern.

Step 5: Weekly Deep Conditioning

Once a week, use a silicone-free deep conditioning mask or a natural oil treatment (warm coconut or olive oil) as a pre-poo (pre-wash treatment) or post-wash mask. This keeps moisture levels high between washes.

Managing the Transition for Curly Hair

The transition period can be trickier for curly hair than for other types because curls are more sensitive to changes in moisture balance. Expect 3–6 weeks of adjustment. During this time, prioritise deep conditioning, handle hair gently, and consider protective styles (braids, twist-outs, buns) on days when your curls aren't cooperating. The patience pays off — most people find their natural curl pattern becomes more defined and bouncy once silicone build-up is fully cleared.