Humidity Blocker Finishing Spray 155g

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$32.76

$40.95

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Most Helpful Review

"Good for curly hair in damp weather" - Lorraine

Why You’ll love it

Step outside and keep your finished style calm, not frizzy.

Helps shield hair from moisture without a sticky, crunchy feel.

Leaves styles touchable with a soft, natural-looking finish.

Light mist spreads easily, so hair never feels weighed down.

Description

Joico Humidity Blocker Finishing Spray is a lightweight hairspray that helps defend your style from frizz.

This fine mist forms an invisible shield around each strand, helping to repel moisture while keeping your hair soft and touchable. It locks in your finished look without stiffness, giving a flexible hold that still moves naturally.

Hair feels smooth, polished, and less likely to puff up when the weather turns damp. The spray goes on dry, with a light, salon-fresh scent that doesn’t overwhelm.

Perfect for wavy, curly, or straight styles that tend to frizz in humidity. Use as the final step in your routine, before stepping outside or whenever you need a last layer of protection.

Directions

How To Use Joico Humidity Blocker Finishing Spray

Shake well before use.
Hold can 20–30 cm from dry, styled hair.
Spray evenly over hair, focusing on outer layers.
For extra protection, lightly mist underneath sections as well.
Reapply during the day if humidity is high.

Ingredients

Joico Humidity Blocker Finishing Spray Ingredients

Alcohol Denat., Hydrofluorocarbon 152a, Dimethyl Ether, VA/Butyl Maleate/Isobornyl Acrylate Copolymer, Isobutane, Water/Aqua/Eau, Octylacrylamide/Acrylates/Butylaminoethyl Methacrylate Copolymer, Aminomethyl Propanol, Cyclopentasiloxane, Dimethicone, PEG-12 Dimethicone, Hydrolyzed Keratin, Keratin, Cystine Bis-PG-Propyl Silanetriol, Helianthus Annuus (Sunflower) Seed Oil, Pentaerythrityl Tetracaprylate/Tetracaprate, Octyl Methoxycinnamate, Ethylhexyl Methoxycinnamate, Panthenol, Glycerin, PPG-5-Ceteth-20, Butylene Glycol, Aminopropyl Dimethicone, Fragrance/Parfum, Hexyl Cinnamal, Linalool, Citronellol, Alpha-Isomethyl Ionone, Benzyl Benzoate.

Note: Please refer to bottle for full ingredients.

Alcohol Denat. Solvents

Solvent

A fast-evaporating solvent that helps dissolve ingredients and improve product dry time.

May suit
People who use styling products that benefit from quick drying or a lightweight feel.

Worth knowing
Its quick evaporation can help reduce residue and support a clean finish in styling formulas. Some may notice it can feel slightly drying in leave-in products depending on hair type.
Aminomethyl Propanol pH adjusters

pH adjuster

Helps adjust and stabilise the pH of haircare formulations.

May suit
Those interested in how product pH affects hair and scalp feel may find its presence relevant.

Worth knowing
It is commonly used at low levels to help formulas stay effective and consistent. It does not act on the hair directly but supports the overall product performance.
Cyclopentasiloxane Silicones

Slip and shine agent

A lightweight silicone that spreads product evenly and gives a silky, fast-absorbing feel.

May suit
People wanting a light, non-greasy smoothing or shine finish.

Worth knowing
Often used in serums and oils for a weightless feel. Some prefer silicone-free options depending on routine.
Dimethicone Silicones

Slip and shine agent

Smooths the hair surface, adds slip and shine and helps reduce frizz.

May suit
Frizz-prone, coarse or dry hair wanting a smooth, glossy finish.

Worth knowing
Some people prefer silicone-free formulas, especially for certain curl routines. It is widely used and helpful in many smoothing products.
Hydrolyzed Keratin Proteins and amino acids

Protein

Helps temporarily support and smooth the hair surface for a stronger feel.

May suit
Damaged, chemically treated or fragile hair wanting reinforcement.

Worth knowing
Protein routines suit some hair well, while very protein-sensitive hair may prefer balance with moisture.
Helianthus Annuus (Sunflower) Seed Oil Oils and butters

Emollient oil

A plant-derived oil that helps soften and condition the hair and scalp.

May suit
Those seeking lightweight natural oils for moisture, shine or scalp comfort.

Worth knowing
It is rich in fatty acids that support hair softness without feeling overly heavy. Often used as a carrier oil in both rinse-off and leave-in formulas.
Panthenol Conditioning agents

Conditioning agent

Helps condition, soften and add a smooth, healthy feel to the hair.

May suit
Most hair types, especially dry or dull hair.

Worth knowing
A versatile, well-tolerated conditioning ingredient.
Glycerin Humectants

Humectant

Attracts and holds water to help hair feel hydrated and soft.

May suit
Dry or dehydrated hair, and many curl and moisture routines.

Worth knowing
A very common, well-tolerated humectant used across countless products.
Butylene Glycol Humectants

Humectant and solvent

Butylene Glycol helps attract and hold moisture while improving the spreadability of hair products.

May suit
Those looking for hydrated, smoother-feeling hair or lighter-feeling formulations.

Worth knowing
It is commonly used to help ingredients dissolve and to give formulas a soft, glide-on texture. It appears in many leave-in and rinse-off products due to its versatility.
Hexyl Cinnamal Fragrance ingredients

Fragrance component

A fragrance ingredient used to give products a light, floral scent.

May suit
Those who enjoy subtly scented haircare products.

Worth knowing
It is one of the fragrance components that must be listed separately when present above certain levels. People with known fragrance sensitivities may choose to monitor for it.
Linalool Fragrance ingredients

Fragrance component

A fragrance component found naturally in many flowers and spices.

Worth knowing
A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.
Citronellol Fragrance ingredients

Fragrance component

A fragrance component with a soft floral, rose-like character.

Worth knowing
A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.
Alpha-Isomethyl Ionone Fragrance ingredients

Fragrance component

A fragrance component with a soft, violet-like character.

Worth knowing
A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.
Benzyl Benzoate Fragrance ingredients

Fragrance component

A fragrance component that is listed separately on labels by labelling convention.

Worth knowing
A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.