# Truology A² Advanced Retinal Serum .2%

**Doorprice Score 7.2/10** (Good; likely 5.7–8.8, low confidence).
Price: $139.00 at Skin Truth (with est. tax $149.13; shipping set at checkout). Store rating 5.0/5 from 145 ratings.

## Specs
- Active Ingredient: 0.2% Retinaldehyde
- Volume: 30 ml (1 fl oz)
- Dispenser Type: Bottle
- Fragrance: None
- UVA Protection Grade: Not specified
- Product Form: Serum

## Where to buy
Buy at Skin Truth: https://skintruth.com/cart/46541625917659:1?_gsid=WdbrPNHFovkE&utm_source=shopify&utm_medium=catalog
For the price delivered to a ZIP (real shipping options, promotions, estimated tax) ask for the delivered price of shopify:4ZwKpwZxS586PgJgfQqeTt.