● The High-Shine Leave-In Serum makes hair 14x smoother, for an extra boost of shine and next-level gloss. The serum can be used on both damp and dry hair. ● Inspired by Skincare - Formulated with 4% Glycolic Acid Complex, this regimen helps hair reflect maximum light for a next-level gloss. ● Gloss Boosting Routine – Gently cleanse with the Shine Boosting Shampoo, then condition with the Shine Boosting Conditioner, and finish with the High-Shine Leave-In Serum for an extra boost of shine, usable on damp or dry hair. ● Fresh Fragrance - Experience a vibrant blend of grapefruit, jasmine, and cedarwood.
Last Updated: May 29, 2026
OLIVE YOUNG guarantees the highest quality of all our products. We do not sell damaged or used items. If you have received a damaged product, please contact our Customer Service Center as soon as possible.
You can click on the following links to go directly to the corresponding sections.
Cancellation Policy
Cancellation Process
How Shipping Fees are Refunded
| Type | Responsibility | Refund Policy |
|---|---|---|
| Full Cancellation | OLIVE YOUNG / Customer |
|
| Partial Cancellation | OLIVE YOUNG |
|
| Customer |
|
Return Policy
Return Process
Return Eligibility by Case
| Status | Responsibility | Reason for return |
|---|---|---|
| Eligible | OLIVE YOUNG |
|
| Customer |
| |
| Ineligible | - |
|
How Shipping Fees are Refunded
| Type | Responsibility | Refund Policy |
|---|---|---|
| Full Return | OLIVE YOUNG |
|
| Customer |
| |
| Partial Return | OLIVE YOUNG |
|
| Customer |
However, if the claim is due to our company's fault, the original shipping fee will be refunded to customers who paid it. |
Exchange Policy
Please contact OLIVE YOUNG for any further inquiries.


● The High-Shine Leave-In Serum makes hair 14x smoother, for an extra boost of shine and next-level gloss. The serum can be used on both damp and dry hair. ● Inspired by Skincare - Formulated with 4% Glycolic Acid Complex, this regimen helps hair reflect maximum light for a next-level gloss. ● Gloss Boosting Routine – Gently cleanse with the Shine Boosting Shampoo, then condition with the Shine Boosting Conditioner, and finish with the High-Shine Leave-In Serum for an extra boost of shine, usable on damp or dry hair. ● Fresh Fragrance - Experience a vibrant blend of grapefruit, jasmine, and cedarwood.
Last Updated: May 29, 2026
OLIVE YOUNG guarantees the highest quality of all our products. We do not sell damaged or used items. If you have received a damaged product, please contact our Customer Service Center as soon as possible.
You can click on the following links to go directly to the corresponding sections.
Cancellation Policy
Cancellation Process
How Shipping Fees are Refunded
| Type | Responsibility | Refund Policy |
|---|---|---|
| Full Cancellation | OLIVE YOUNG / Customer |
|
| Partial Cancellation | OLIVE YOUNG |
|
| Customer |
|
Return Policy
Return Process
Return Eligibility by Case
| Status | Responsibility | Reason for return |
|---|---|---|
| Eligible | OLIVE YOUNG |
|
| Customer |
| |
| Ineligible | - |
|
How Shipping Fees are Refunded
| Type | Responsibility | Refund Policy |
|---|---|---|
| Full Return | OLIVE YOUNG |
|
| Customer |
| |
| Partial Return | OLIVE YOUNG |
|
| Customer |
However, if the claim is due to our company's fault, the original shipping fee will be refunded to customers who paid it. |
Exchange Policy
Please contact OLIVE YOUNG for any further inquiries.

