Isdin SI-NAILS nail strengthener

Nail hardener

Isdin
(2)
FAQ (4)
Features:
Expected delivery:
Tuesday 9/1/2026
Tuesday 9/1/2026

*Approximate for orders whose destination is the provincial capital. In other cases there will be a delay of 1 day.
SI-NAILS nail strengthener from ISDIN , nail strengthener specifically developed to protect and improve the appearance of nails, restoring a natural appearance. With cationic hyaluronic acid, it enhances the hydration of the cuticles. Invisible finish and easy to apply. Thanks to its combination of active ingredients, it promotes the growth of the nail and increases its resistance, helping to prevent breakage while promoting its remineralization and restructuring. Visible results in 14 days.
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How to use:
Apply every day to clean and dry nails (without polish). Pass the moistened brush all over the edge of the nail and cuticle. Pass the brush with vertical movements from the inside out, covering the entire surface of the nail. In case it is possible to pass the brush under the nail.
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Recommendations:
Strengthen your nails with an invisible and easy-to-apply finish. Thanks to its combination of ingredients, it provides the nail with more keratin, more hydration, more silica, and more protection. Visible results in 14 days.
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EAN
8470001915528
Parapharmacy
Parapharmacy Dermocosmetics
ingredients
pistacia lentiscus, organic silicon, hyaluronic acid, biosaccharide gum-2
INGREDIENTS: Cationic hyaluronic acid: with a great adhesion potential to the skin, hair and nails that allows it to maintain its hydration capacity for a longer time. Mastic oil (Pistacia Lentiscus): Stimulates the synthesis of hard keratins and proteins associated with keratin, increasing the thickness of the nails, strengthening them. Organic silicon: easily penetrates the nails favoring the growth and quality of the nails
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Brand Safety Warning
Keep out of reach of children. Do not apply to wounds. For topical use only. Do not ingest. Store below 30°C. Do not refrigerate or freeze. For optimal product preservation, store upright with the applicator brush facing upwards.
Legal information of the brand
Isdin, S.A., C/ Provençals, 33, 08019, Barcelona
www.isdin.com
privacy@isdin.com

Assessment Isdin - SI-NAILS nail strengthener

4.5
About 5
2 Reviews
5
1
4
1
3
0
2
0
1
0
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Based on 2 reviews
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Reviews Isdin - SI-NAILS nail strengthener

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Rating
5 4 3 2 1
Age
Between 18 and 25 years old Between 26 and 35 years old Between 36 and 50 years old More than 50 years old
Gender
Woman Man
Usage time
Not specified Less than 6 months Between 6 months and 1 year Between 1 and 3 years Between 3 and 5 years More than 5 years
Skin Type
Mixed Oily Dry Sensitive With acne Normal Atopic Seborrheic Normal/Mixed
Monique
Verified purchase
07/08/2026
Thank you
My nails are slowly starting to become less brittle; I’ve only been using it for two months.
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Gender: Woman
Age: ---
Country: BE
Has been using this product for: Less than 6 months
Skin Type:
Dry, Sensitive
Monique recommends this product
CELIA
27/10/2022
Quick drying and if it hardens the nails
But for my nail problem it does not solve it
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Gender: Woman
Age: More than 50 years old
Country: ES
Has been using this product for: Less than 6 months
Skin Type:
Mixed, Sensitive
CELIA recommends this product
Rate this product

FAQ Isdin - SI-NAILS nail strengthener

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What benefits does Isdin SI-NAILS nail strengthener offer?
Translated by Google
-07/07/2026
Improve nail integrity by:
• Repairing action on the keratin structure.
• Protective properties against breakage and brittleness.
• Hydro-regulating effect that maintains natural flexibility.
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What is the technical application guideline?
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-18/06/2026
Apply daily using the brush on the clean surface of the nail, massaging thoroughly to promote penetration.
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What nail conditions is it prescribed for?
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-15/03/2026
Developed for brittle, ridged or peeling nails that require deep technical repair.
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How does Isdin Si-Nails affect the structure of the nail?
Translated by Google
-05/01/2026
It works through a complex of organic silicon and active agents that strengthen keratin, improving the mechanical hardness of the nail plate.
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