Bumble and bumble. Seaweed Primer scalp & hair mist — 1.0 fl oz, oil-control up to 48 hrs, lightweight hydration

Bumble and bumble. Seaweed Primer is an ultra-lightweight scalp and hair primer that targets oil at the roots for up to 48 hours while hydrating and prepping fine, oil-prone strands for styling.

This fine-mist primer was designed for people who want their styles to look fresher longer without adding weight. The formula blends Royal Sugar Kelp with Zinc PCA to manage excess oil at the scalp, plus a Lactobacillus ferment and AHAs to support a balanced scalp environment and smooth hair cuticles. It’s meant to act like skincare for your scalp: apply before styling to reduce oiliness at the roots, keep fine hair touchable, and extend the life of your look between washes.

How does this primer actually control oil at the roots?

The product combines oil-attenuating actives (Zinc PCA) with seaweed-derived Royal Sugar Kelp to help reduce visible oil on the scalp and at the root area. Clinical testing reported oil control benefits up to 48 hours after regular use. It doesn’t mask oil with heavy powders; instead it targets the scalp where oil is produced.

• Zinc PCA helps regulate surface oil where the scalp produces it.
• Royal Sugar Kelp delivers mineral-rich hydration without weight.
• Light misting targets roots so mid-lengths and ends remain soft.

Will it weigh down fine hair or change my style?

This primer is formulated to be featherlight and breathable so it won’t flatten fine hair or make curls limp. It’s intended to prep hair for styling — whether you air-dry, blow-dry, or use hot tools — by adding a touch of humidity resistance and cuticle-smoothing benefits from AHAs.

• Ultra-light texture keeps strands airy and touchable.
• AHAs smooth cuticles for added shine and easier styling.
• Works with straight, wavy, and curly patterns in fine to medium density.

How do I use the targeted spray for best results?

Hold the 1.0 fl oz bottle a few inches from the scalp and lift hair in sections to spray directly at the roots; this focused application places active ingredients where oil is produced. Use the primer before styling or when you need to refresh between washes — a little goes a long way.

• Lift hair in sections and aim the applicator at the root line.
• Use before styling to prep, or lightly mist to refresh on non-wash days.
• Compatible with other Bumble and bumble styling products.

What does it smell like and is it safe for sensitive scalps?

The scent profile opens with crisp apple, moves through mint leaf and pineapple, and rests on a white woods base. The formulation includes a Lactobacillus ferment to support a balanced scalp microbiome, but if your scalp is especially reactive, patch-test or consult a dermatologist before regular use.

• Top notes: crisp apple; middle: mint leaf and pineapple; base: white woods blend.
• Lactobacillus ferment supports scalp microbiome balance.
• Patch testing recommended for very sensitive scalps.

Who is this for: Bumble and bumble. Seaweed Primer suits people with oil-prone scalps who have fine to medium-density hair and want a lightweight prep step that reduces root oiliness, hydrates mid-lengths, and makes styling easier. It’s particularly useful for those who air-dry often, anyone aiming to extend time between washes, and users looking for a breathable primer that won’t compromise volume or texture.

Ingredients

Please be aware that ingredient lists may change or vary from time to time. Please refer to the ingredient list on the product package you receive for the most up to date list of ingredients.