Smoothing Shampoo for Straighter Hair

Name: Smoothing Shampoo for Straighter Hair
Brand: Sidlab Haircouture
Price: 41 USD
Availability: InStock

Cleanser that smooths frizz and locks in shine

By Sidlab Haircouture

$41

Free US shipping. Sales tax added at checkout where it applies.

8 oz

$41 · ships in 2 days

In stock in the US. Ships within 2 business days, arrives in 3–7, tracked.

See your delivery date:

Free US shipping (orders over $39) · 30-day returns · Secure checkout (Stripe)

$1 from this order goes to free clinics.

Secure checkout by Stripe

Best for: Fine hair, damaged hair, curly hair, frizz

Details

A gentle cleanser for hair that needs more smoothness, including fine, thin, or damaged hair as well as curly hair. Essential oils, rice protein, and coco glucoside work together in a sulfate-free formula with a pH of about 5.5. Use it as the first step of the three-step system.

Sodium laureth sulfate free and paraben free
Essential oil blend of sage, cedar leaf, and lavender
Rice protein supports moisture balance
Coco glucoside foaming agent, fully biodegradable
8 oz bottle

In the box: One 8 oz bottle of smoothing shampoo

Why we picked it

A sulfate-free, paraben-free formula with a named plant oil blend and biodegradable foaming agent.

Delivery and returns

Ships from a US warehouse within 2 business days, tracked; delivery usually takes 3–7 business days. Free shipping on orders over $39; $6.95 below that. Returns accepted within 30 days on unused items in their original packaging; return postage is paid by you unless the item arrived damaged or not as described.

Questions people ask

How do I use it?
Apply to slightly damp hair. It is the first step of the three-step system, with Designer used for blow-out volume.

Is it sulfate free?
Yes. The formula is sodium laureth sulfate free and paraben free.

What is in it?
Essential oils of sage, cedar leaf, sweet grass, lavender, and citrus, plus rice protein and coco glucoside.

Size and measurements

Size	L × W × H	Weight
8 oz	2.5 × 2.5 × 6 in	0.5 lb

Ingredients

The maker has not supplied a full ingredient list for this product, so we cannot show one. The list is on the physical label, and our glossary explains what is on it. If you need the list before buying, write to us and we will ask the maker.

Named by the maker: Sodium laureth sulfate (SLES). Mentioned in the description, not the full list or its order.

No FDA or CPSC recall on record for this brand or product in the list we hold (checked Nov 15, 2026). That is a statement about the recall list, not a safety rating; if a product causes a reaction, stop using it.