---
title: Medik8 Crystal Retinal
entity_type: Product
canonical_url: https://skinknowledgebase.com/products/medik8-crystal-retinal
date_modified: 2026-05-18
date_reviewed: 2026-05-18
mcp_eligible: true
main_concern:
  title: Wrinkles
  url: https://skinknowledgebase.com/concerns/wrinkles
key_ingredients:
  - title: Retinaldehyde
    url: https://skinknowledgebase.com/ingredients/retinaldehyde
  - title: Hyaluronic Acid
    url: https://skinknowledgebase.com/ingredients/hyaluronic-acid
  - title: Vitamin E
    url: https://skinknowledgebase.com/ingredients/vitamin-e
cost: {"currency":"USD","checked_at":"2026-05-18","single_unit":67,"multi_pack_2":0}
retail_url: https://us.medik8.com/products/crystal-retinal
evidence_sources:
  - title: AAD — Retinoid or retinol?
    canonical_citation_url: https://skinknowledgebase.com/sources/aad-retinoid-or-retinol
    original_source_url: https://www.aad.org/public/everyday-care/skin-care-secrets/anti-aging/retinoid-retinol
    source_type: dermatology_reference
  - title: DermNet NZ — Topical retinoids
    canonical_citation_url: https://skinknowledgebase.com/sources/dermnet-topical-retinoids
    original_source_url: https://dermnetnz.org/topics/topical-retinoids
    source_type: medical_reference
product_fact_sources:
  - title: Official Product Page — Medik8 Crystal Retinal
    canonical_citation_url: https://skinknowledgebase.com/sources/official-product-page-medik8-crystal-retinal
    original_source_url: https://us.medik8.com/products/crystal-retinal
    source_type: official_product_page
---

# Medik8 Crystal Retinal

## Quick Summary

Medik8 Crystal Retinal is a retinaldehyde night serum line with retinal, sodium hyaluronate, vitamin E, glycerin, squalane, and several strength options.

## Compact Product Facts

- Brand: Medik8
- Product line: Crystal Retinal
- Full product name: Medik8 Crystal Retinal
- Cost: {"currency":"USD","checked_at":"2026-05-18","single_unit":67,"multi_pack_2":0}
- Retail URL: https://us.medik8.com/products/crystal-retinal

## Factual Description

The official page identifies Crystal Retinal as a retinal age-defying night serum line. The Medik8 product page and retail context list about $67–$100 for 30 ml depending on strength and retailer. Brand-page INCI context includes retinal, sodium hyaluronate, tocopheryl acetate, glycerin, squalane, caprylic/capric triglyceride, 3-O-ethyl ascorbic acid, tetrahexyldecyl ascorbate, carrot seed oil, cloudberry seed oil, honeysuckle flower extracts, and pigment or colorant components depending on strength.

## Related Entities

- [AAD — Retinoid or retinol?](https://skinknowledgebase.com/sources/aad-retinoid-or-retinol)
- [DermNet NZ — Topical retinoids](https://skinknowledgebase.com/sources/dermnet-topical-retinoids)
- [Official Product Page — Medik8 Crystal Retinal](https://skinknowledgebase.com/sources/official-product-page-medik8-crystal-retinal)
- [Wrinkles](https://skinknowledgebase.com/concerns/wrinkles)
- [Fine Lines](https://skinknowledgebase.com/concerns/fine-lines)
- [Loss of Firmness](https://skinknowledgebase.com/concerns/loss-of-firmness)
- [Expression Lines](https://skinknowledgebase.com/concerns/expression-lines)
- [Retinaldehyde](https://skinknowledgebase.com/ingredients/retinaldehyde)
- [Hyaluronic Acid](https://skinknowledgebase.com/ingredients/hyaluronic-acid)
- [Vitamin E](https://skinknowledgebase.com/ingredients/vitamin-e)
- [Is Medik8 Crystal Retinal any good?](https://skinknowledgebase.com/questions/is-medik8-crystal-retinal-any-good)