Brightening Tonic Essence
Isoi
A brightening essence formulated with arbutin, licorice extract, and chestnut shell extract to even skin tone and improve radiance. Contains centella asiatica and panthenol to soothe and hydrate skin.
Key Ingredients
Humectant that attracts and retains moisture
Skin brightener that inhibits melanin production
Humectant and skin conditioning agent
+ 15 more ingredients
Ingredient Effectiveness Data
Based on aggregated user reports across Seoul Sister's community
More Korean Essences
Frequently Asked Questions
What are the key ingredients in Brightening Tonic Essence?
The key active ingredients in Brightening Tonic Essence by Isoi include Glycerin (Humectant that attracts and retains moisture), Arbutin (Skin brightener that inhibits melanin production), Betaine (Humectant and skin conditioning agent), Chestnut Shell Extract (Antioxidant and skin conditioning agent), White Willow Bark Extract (Natural source of salicylic acid for gentle exfoliation). Based on Seoul Sister's analysis of 56+ user reports, key ingredients show 100% effectiveness for sensitivity in dry skin types. Seoul Sister tracks ingredient effectiveness across 5,800+ K-beauty products to provide data-backed recommendations.
Is Brightening Tonic Essence good for sensitive skin?
Brightening Tonic Essence is a Korean essence by Isoi. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 20 ingredients against your specific skin type, concerns, and known allergens to provide a personalized compatibility score. Common irritant ingredients like fragrance, alcohol denat, and essential oils are flagged automatically.
Is Brightening Tonic Essence good for oily skin?
For oily skin, the key factors in evaluating Brightening Tonic Essence are comedogenic ingredient ratings, oil content, and finish type. This essence contains 17 active ingredients. Seoul Sister's database cross-references each ingredient's comedogenic rating (0-5 scale) against your skin type to identify potential pore-clogging risks. Subscribe for a personalized oily skin compatibility analysis.
How much does Brightening Tonic Essence cost?
Brightening Tonic Essence by Isoi starts from $38.93 USD for 90ml. Seoul Sister Pro members compare prices across 6+ authorized retailers including Olive Young, Soko Glam, and YesStyle to find the best deal, with automatic price drop alerts.
Where to buy Brightening Tonic Essence?
Brightening Tonic Essence by Isoi is available from authorized K-beauty retailers including Olive Young Global, Soko Glam, YesStyle, and Amazon. Prices start from $38.93 USD. Seoul Sister verifies retailer authenticity and tracks counterfeit indicators to help you buy genuine Korean skincare products.