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Editor's Tip Editor's Tip

Make your hair happy (not to mention sleek and shiny) with every wash, using Living proof.® Perfect hair Day™ (PhD) Shampoo and Perfect hair Day™ (PhD) Conditioner.

Living proof.® Perfect hair Day™ (PhD) Night Cap Overnight Perfector

$28.00 Ships Free
4 oz.

Availability: In stock

$28.00

Birchbox Breakdown

This overnight solution delivers softer, shinier, more manageable hair that lasts up to five washes, or as long as one week. Made with the brand’s patent-pending, hair-protecting compound OFPMA and a blend of nourishing amino acids, this lightweight solution safeguards color, protects against environmental damage and heat styling, and adds softness and shine. It’s made without sulfates, silicone, or oil.

How it Works

This formula works on all hair types, including color- or chemically-treated hair.

How to Use

Before bed, apply two to three pumps of product (more if necessary) to damp or dry hair, paying extra attention to your ends. Comb through, and leave on overnight. In the morning, rinse out or simply style as desired.

Water, Octafluoropentyl Methacrylate (OFPMA), Ethylhexyl Stearate, Propylene Glycol Dibenzoate, PPG-3 Benzyl Ether Myristate, Isohexadecane, Quaternium-91, Isoamyl Laurate, Polyquaternium-4, Hydroxypropyl Guar, Hydrogenated Castor Oil/Sebacic Acid Copolymer, Isododecane, C13-15 Alkane, C10-40 Isoalkylamidopropylethyldimonium Ethosulfate, Linoleamidopropyl Ethyldimonium Ethosulfate, Cetearamidoethyl Diethonium Hydrolyzed Rice Protein,E58, Fragrance, Oryza Sativa (Rice) Seed Protein, Oryza Sativa (Rice) Extract, Phytic Acid, Hydroxyethylcellulose, Glycerin,. Sodium PCA,PCA Ethyl Cocoyl Arginate, Arginine, Glycine, Alanine, Serine, Valine, Isoleucine, Proline, Threonine, Histidine, Phenylalanine, Dipropylene Glycol, Phenoxyethanol, Ethylhexylglycerin, Caprylyl Glycol, Glycolic Acid, Aspartic Acid, Sodium Lactate, Citronellol, Butylphenyl Methylpropional, Limonene, Citral, Geraniol

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Most Helpful Customer Reviews

Night Cream for Your Hair!

How has this never been thought of before? Nightcap REVERSES DAMAGE overnight! I am OBSESSED.

Besides the fact that it (and the whole line) smells amazing, this product is not super heavy (which I was worried about). It truly is "pillow safe"

I applied to my ends and woke up with literally baby-soft hair. I am in constant pursuit of soft hair that doesn't feel like product is in it.

Nightcap pulls a Benjamin Button and gives you the hair texture you had when you were five, pre-blow drys, color treatment, heat styling, etc.

I have already bought a bottle for myself, and I am on the waitlist to get one for my mom. I think I will buy 3 when it becomes available to make sure I always have it on hand.

5
Was this review helpful to you? Yes | No 35 of 36 found this review helpful. Was this review helpful to you? Yes | No
noticeable results
Purchased

I have fine hair that is dry and often looks damaged from the dryness. I used it on dry hair, showered the next morning and styled as usual. People noticed a difference as my hair was shinier and no fly aways. I can't wait to see what a second treatment does!

5
Was this review helpful to you? Yes | No 11 of 11 found this review helpful. Was this review helpful to you? Yes | No
not sure it worked
Sampled

it definitely smelled good but i'm not sure if it worked or not. it did not, as promised, make a mess on my pillowcase which was great.

4
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Love
Sampled

I love this product! Just be weary of using to much, it can leave the hair oily

5
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Works great
Purchased

The first few times I used this product I noticed a huge difference in my hair. It was glossy and smooth. Now, I don’t notice the difference as much but I think that’s because my hair is now healthier. I am buying more of their products because I am so happy with this one.

5
Was this review helpful to you? Yes | No   Was this review helpful to you? Yes | No