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🏆 PEOPLE's Beauty Awards Winner: Saisei Treatment Essence

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Saisei Return To You Bundle

£59.00 Regular price £70.00

Return to you with this three-step routine that combats the root causes of visible signs of aging in our hair, such as graying and thinning.

  • Gently cleanses and helps soothe the scalp
  • Smoothes and moisturizes strands weightlessly
  • Helps strengthen hair to reduce fall out
  • Maintains strand elasticity and hydration
  • Soothes and nourishes to help combat damage from environmental stress

Hair in the beginning to moderate stages of the graying or thinning processes.

All hair textures.

SHAMPOO + CONDITIONER
A refreshing and elegant floral green fragrance inspired by Japanese iris. Evokes a rejuvenating breeze during a morning garden stroll in Japan. Centered around violet, with accents of celery, petitgrain, and davana, blended with a floral bouquet of mimosa, lily of the valley, and jasmine from France.


TOP NOTES

Celery, davana, petitgrain, violet leaves

MIDDLE NOTES

Muguet (lily of the valley), mimosa, French jasmine, cassis

BASE NOTES

Cinnamon, iris, cedarwood, musk


SAISEI ESSENCE
Is fragrance-free

Looking for the full ingredient list? Find it below in our FAQs!

FREE SHIPPING $60+ •  FREE RETURNS

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Saisei Return To You Bundle

£59.00 Regular price £70.00
Tell Me More

Return to you with this three-step routine that combats the root causes of visible signs of aging in our hair, such as graying and thinning. Stress and time are your hair’s biggest enemies; the Saisei Collection combats both with powerful ingredients that help revitalize and strengthen strands. 

Saisei Biomimetic Peptide Treatment Essence helps anchor hair fibers into the scalp and stimulate melanin production in the bulb, for hair that is noticeably thicker, stronger, and more pigmented.

Saisei Stress Defense Amino Acid Shampoo gently and thoroughly cleanses without stripping, creating a clean slate for hair revival.

Saisei Restoring Therapy Conditioner replenishes hair’s moisture and softness, helping protect and strengthen strands against daily environmental stressors.

Botanical ingredients across the collection including black spruce bark extract, apple extract, rosebay extract, and bamboo extract help strengthen and shield strands from oxidative stress. Hair feels thicker, fuller, and stronger with visibly restored natural pigment in just 3 months.

Shampoo + Conditioner: 11.5 fl oz | 340 mL
Saisei Essence: 1.7 fl oz | 50 mL

Made in Japan

What Does It Do

The full collection that returns your hair’s natural fullness, thickness, strength, and color. Defend against oxidative stress and restore the vitality of your strands and scalp environment with our innovative daily scalp essence, refreshing shampoo, and soothing conditioner.

Saisei Biomimetic Peptide Treatment Essence helps anchor hair fibers into the scalp and stimulate melanin production in the bulb, for hair that is noticeably thicker, stronger, and more pigmented.

Saisei Stress Defense Amino Acid Shampoo gently and thoroughly cleanses without stripping, creating a clean slate for hair revival.

Saisei Restoring Therapy Conditioner replenishes hair’s moisture and softness, helping protect and strengthen strands against daily environmental stressors.

Botanical ingredients across the collection including black spruce bark extract, apple extract, rosebay extract, and bamboo extract help strengthen and shield strands from oxidative stress. Hair feels thicker, fuller, and stronger with visibly restored natural pigment in just 3 months.

Formulated Without

Parabens, Sulfates, Phthalates, Over 1,300 ingredients that are banned in the EU, Animal Testing, Silicone, Animal Derived Ingredients.

Find the full ingredient list under FAQs above our reviews section.

Key Saisei Ingredients

BLACK SPRUCE BARK EXTRACT*: A sustainable upcycled extract that helps repair damage and protect the scalp and hair color from oxidation and environmental stressors.

APPLE EXTRACT*: Soothes and hydrates the scalp with supercharged antioxidants. Helps preserve natural color and thickness while reducing shedding.

ROSEBAY EXTRACT*:  Helps soothe the scalp for a healthier scalp microbiome. Extracted from rosebay willow herb, which regrows quickly even in areas affected by forest fires.

BAMBOO EXTRACT*: Promotes stronger, healthier hair growth, while defending against free radicals that cause premature aging of hair follicles.

ALPINE ROSE EXTRACT*: Helps combat hair aging by protecting hair protein and reducing stress caused by dryness and UV exposure.

*Ingredients used across the Saisei Collection.

HOW TO

Return to you

STEP ONE:
Saisei Stress Defense Amino Acid Shampoo
Lather into wet hair and rinse.

STEP TWO:
Saisei Restoring Therapy Conditioner
Massage into wet hair, ensuring product is evenly applied. Leave in for 3 to 5 minutes before rinsing.

STEP THREE:
Saisei Biomimetic Peptide Treatment Essence
After showering, towel-dry and create parts in hair to apply the essence directly to the scalp. Massage in and do not rinse out. Reapply treatment essence on no-wash days to return natural thickness, color, and vibrancy.

Thicker, Fuller Looking Hair in 90 Days

78% agreed that the Saisei Collection helps visibly improve hair density and that hair looks and feels thicker after 90 days of use

FEATURED ON NEWBEAUTY

“Powerful botanical extracts paired with our advanced formulation technology are able to invigorate the scalp and promote cell renewal,” says Atsushi Takeoka, research and development formulator for NatureLab Co. Ltd.

Frequently Asked Questions

What's in the products?

SAISEI SHAMPOO
water, sodium lauroyl methylaminopropionate, cocamidopropyl betaine, lauramide dea, tea-cocoyl glutamate, lauramidopropyl betaine, sodium methyl cocoyl taurate, cocamide methyl mea, glutamic acid, picea mariana bark extract, butylene glycol, sodium pca, malus domestica fruit cell culture extract, epilobium angustifolium flower/leaf/stem extract, phyllostachys pubescens meristem cell lysate, rhododendron ferrugineum leaf cell culture extract, palmitoyl tetrapeptide-20, acetyl tetrapeptide-3, trifolium pratense (clover) flower extract, trifluoroacetyl tripeptide-2, glycerin, isomalt, polyquaternium-10, polyquaternium-50, argania spinosa kernel oil, sclerocarya birrea seed oil, simmondsia chinensis (jojoba) seed oil, sodium chloride, dextran, xanthan gum, argan oil polyglyceryl-6 esters, peg-160 sorbitan triisostearate, peg-7 glyceryl cocoate, lecithin, benzotriazolyl dodecyl p-cresol, dipropylene glycol, citric acid, sodium citrate, lactic acid, sodium metabisulfite, etidronic acid, pentasodium pentetate, phenoxyethanol, sodium benzoate, fragrance, ci 42090, ci 60730, caramel


SAISEI CONDITIONER
water, ethylhexyl palmitate, cetearyl alcohol, steartrimonium chloride, glutamic acid, butylene glycol, sodium pca, picea mariana bark extract, malus domestica fruit cell culture extract, epilobium angustifolium flower/leaf/stem extract, phyllostachys pubescens meristem cell lysate, rhododendron ferrugineum leaf cell culture extract, palmitoyl tetrapeptide-20, acetyl tetrapeptide-3, trifolium pratense (clover) flower extract, trifluoroacetyl tripeptide-2, glycerin, isomalt, argania spinosa kernel oil, sclerocarya birrea seed oil, simmondsia chinensis (jojoba) seed oil, hydrogenated castor oil isostearate, dextran, hydroxyethylcellulose, xanthan gum, lecithin, dicocodimonium chloride, behenyl alcohol, benzotriazolyl dodecyl p-cresol, isopropyl alcohol, lactic acid, sodium metabisulfite, tetrasodium edta, etidronic acid, phenoxyethanol, fragrance, ci 60730 (ext. violet 2), ci 42090, ci 19140, caramel

SAISEI ESSENCE
water, alcohol, butylene glycol, glycerin, malus domestica fruit cell culture extract, epilobium angustifolium flower/leaf/stem extract, phyllostachys pubescens meristem cell lysate, acetyl tetrapeptide-3, trifolium pratense (clover) flower extract, palmitoyl tetrapeptide-20, trifluoroacetyl tripeptide-2, glutamic acid, sodium pca, picea mariana bark extract, eisenia arborea extract, porphyra yezoensis extract, rhododendron ferrugineum leaf cell culture extract, isomalt, argania spinosa kernel oil, sclerocarya birrea seed oil, simmondsia chinensis (jojoba) seed oil, dextran, menthol, acrylates/c10-30 alkyl acrylate crosspolymer, xanthan gum, polysorbate 20, lecithin, peg-60 hydrogenated castor oil, sodium hydroxide, lactic acid, sodium metabisulfite, tetrasodium etidronate, etidronic acid, phenoxyethanol

Does this work on color-treated hair? Can I use this product and still regularly dye my hair?

Results from the Saisei Collection will be most noticeable on hair that has not recently been color-treated, so we do not recommend continuing to dye your hair while using Saisei. Please keep in mind that the collection was not designed to be used on continuously color-treated hair.

How well does this work in conjunction with other hair products? What can be used together?

This routine can be easily incorporated into your existing hair care styling routine with a variety of products.

Is this product pregnancy/postpartum safe?

This product can be used during pregnancy or postpartum. For specific concerns, please speak with your primary care physician before using.

I don’t have gray hair yet, but I’m interested in the other benefits this product provides. Can I use it?

Yes, this routine can be used like a preventative to support overall hair health. For best results, we recommend using the full Saisei Collection.


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