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Treat your hair to regular relaxation sessions with the Saisei Restoring Therapy Conditioner. This soothing formula can be used daily, and is lightweight enough for use on the scalp without burdening strands with residue.
Designed to be used in a daily routine with the Saisei Stress Defense Amino Acid Shampoo and Saisei Biomimetic Peptide Treatment Essence.
11.5 fl oz | 340 mL
Made in Japan
What Does It Do
Created with many shared core ingredients, the Saisei Collection’s shampoo and conditioner help revive and soothe the scalp to support the rejuvenating effects of the Saisei Biomimetic Peptide Treatment Essence.
Our fruit seed oil complex conditions and nourishes tresses without weighing them down. Antioxidant-rich plant-based ingredients selected for their resilient, revitalizing, and strengthening properties in nature help defend hair from environmental damage due to UV exposure and free radicals.
Hair is left nourished and more protected against stress factors, primed for healthier future growth.
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.
FORMULATED WITH
HOW TO
Return to you
STEP ONE:
Lather Saisei Stress Defense Amino Acid Shampoo into wet hair and rinse.
STEP TWO:
Follow with Saisei Restoring Therapy Conditioner and Saisei Biomimetic Peptide Treatment Essence.
PRO TIP:
Designed to be used in a daily routine. You can use the Saisei Essence on no wash days too!
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 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
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 conditioner can be easily incorporated into your existing hair care routine with a variety of products. We recommend using it with the rest of the Saisei Collection for best results.
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 conditioner can be used like a preventative to support overall hair health. For best results, we recommend using the full Saisei Collection.