iS Clinical Youth Serum

Name: iS Clinical Youth Serum
Brand: iS Clinical
SKU: ISSE03014
Price: 123.54 USD
Availability: InStock
Rating: 4.6 (5 reviews)

$123.54 ~~$174~~ In stock

Category: Serums

A lightweight firming serum that instantly tightens skin and reduces fine lines while building long-term elasticity and density with peptides and antioxidants.

Completing your purchase

Take a moment to review your selection and total before payment.

Preparing your order

Please consider both preparation and transit when planning your purchase.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy

Requesting a refund

Contact the store with your order details so your request can be reviewed.

Please contact us for the refund processing timeframe before returning an item.

View policy

Delivery arrangements

The available delivery services and charges are listed below.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy

Before arranging a return

Speak with the store before arranging a return shipment.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.6 / 5 · 5 reviews)

Stella X. ★★★★★ Oct 22, 2026

I was skeptical about how fast a serum could tighten, but within minutes of applying this lightweight formula my jawline looked noticeably more defined. The peptides are clearly working because my fine lines are softening after just a week of nightly use.

Violet ★★★★★ Oct 20, 2026

I was skeptical about peptide serums, but after a week of using this, the fine lines around my eyes are visibly softer. It goes on weightless and dries fast, which makes my morning routine quicker. It’s a keeper for long-term skin density.

Emma ★★★★★ Oct 19, 2026

My skin felt noticeably firmer after just a few days, and the lightweight texture sinks in fast without any sticky residue. The fine lines around my eyes are definitely less visible now.