(주)엔제이코스랩

These Terms of Service set out the rights, obligations and responsibilities between NJ Coslab Co., Ltd. (Brand: BYTHEQUALITY, the "Company") and members in connection with the use of the online shopping mall and related services (the "Service") operated by the Company.

• Company name: NJ Coslab Co., Ltd. · CEO: Sanghyun Kim · Business registration no.: 384-81-01172 · E-commerce report no.: 2022-Suwon Yeongtong-1374
• Address: Rooms 201, 203 and 204, 46 Daehak-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Republic of Korea · Tel: +82-70-4233-3347 · Email: bythequality@gmail.com

1. General member: an individual member who signs up under their own name and uses services such as BUYDEUK DAY purchases and seminar/training registration
2. Business member: a member approved through business qualification screening, who uses business-only services such as wholesale product purchases
3. BUYDEUK DAY: a limited-period joint-sales event conducted by the Company together with referring business members
4. Referring business member: a business member who participates in sales at a BUYDEUK DAY event through their own referral code
5. Intangible products: products with no physical delivery, such as seminars, training courses and online courses

1. The Company posts these Terms at the bottom of the Service's main screen.
2. The Company may amend these Terms to the extent not in violation of applicable laws. Amendments are announced, with the effective date and reasons, from 7 days before the effective date (30 days for changes unfavorable to members).
3. If a member continues to use the Service without expressing refusal by the effective date of the amended Terms, the member is deemed to have agreed to them.

1. Membership is established when a user agrees to the Terms, completes the registration form, and the Company accepts it.
2. Persons under the age of 14 may not register as members, and members confirm and agree at sign-up that they are 14 years of age or older.
3. Sign-up methods: direct sign-up with ID and password, or sign-up linked to a social account (Kakao, Naver, Google). Member rights are the same for both methods.
4. The Company may refuse registration or subsequently terminate the service contract in the following cases:
   • Using another person's name or information
   • Providing false information
   • Having previously lost membership due to fraudulent use or similar reasons (the Company may cross-check identity verification information to prevent fraudulent re-registration)

1. An applicant for business membership must provide business information such as company name, representative, business registration number and settlement account, and submit copies of the business registration certificate, bankbook and license.
2. The Company reviews the submitted documents and decides on approval. Screening results are notified via the Service screen and notifications; reasons are provided when rejected.
3. If business information (company name, representative, business number, account, etc.) changes, the member must request an update without delay, and changes take effect after the Company's confirmation (approval).
4. If suspension or closure of business, or loss of qualification, is confirmed, the Company may suspend or terminate business membership.

1. Members are responsible for managing their ID and password and must not allow third parties to use them.
2. The account is locked after 5 consecutive incorrect password attempts and can be unlocked through password reset (email verification).
3. A password reset link is valid only once, for 15 minutes after sending.
4. If account theft is suspected, the member must notify the Company immediately. The Company is not liable for disadvantages arising from failure to notify, unless the Company was willful or negligent.

1. Wholesale mall: product purchases exclusively for business members
2. BUYDEUK DAY: limited-period joint-sales events for general members
3. Seminars and training: registration and attendance of offline seminars and training courses, issuance of certificates of completion
4. Online courses: streaming video courses
5. The Company may change the contents of the Service for operational or technical reasons, and important changes are announced in advance.

1. BUYDEUK DAY is a joint-sales event in which members participate through a referring business member's referral code.
2. For order confirmation and settlement, the orderer's name and order information (product, quantity, amount) are provided to the referring business member. This is stated on the payment screen, and proceeding with payment constitutes consent to this provision.
3. The sales period, quantity and per-person purchase limit of event products are set per event and displayed on the event page.
4. Free gifts are provided according to stock at the time of payment and may not be provided, or may be substituted, when out of stock.
5. If an event is paused, new payments are restricted and become available again when the event resumes.

1. Online courses are provided by streaming only, and viewing rights are granted only to the purchasing member.
2. Recording, capturing, downloading, sharing with third parties, and resale of course videos are prohibited. To prevent unauthorized viewing, viewer identification information (watermark) may be displayed on the video.
3. Violations may result in revocation of viewing rights, restriction of membership, and claims for damages.

1. Payment methods: credit/debit card, easy payment, quick account transfer (payment gateway: Toss Payments)
2. Payment amounts are re-verified on the server at the time of ordering, and manipulated requests in which the displayed amount and the billed amount do not match are blocked.
3. If a minor concludes a contract without the consent of a legal representative, the minor or the legal representative may cancel it.

1. The Company may allow credit (deferred payment) transactions only for approved business members.
2. Credit amounts must be paid within the period set by the Company. If there are unpaid amounts (receivables), new orders and membership withdrawal may be restricted.

1. For business transactions, the Company issues electronic tax invoices (issuance agency: Popbill).
2. For cash-type payments, cash receipts may be issued at the member's request or as required by law.

1. Delivery is made through the courier designated by the Company (CJ Logistics).
2. Delivery fees are charged according to the standards displayed on the payment screen based on order amount and destination, and additional fees may apply to island and mountainous areas.
3. If a package is returned due to reasons attributable to the member, such as recipient absence or an incorrect address, the member bears the re-delivery cost.

1. Members may request withdrawal of offer (return) within 7 days from the date the product was received.
2. Withdrawal is restricted in the following cases:
   • The product is destroyed or damaged due to reasons attributable to the member (including cosmetics whose value is impaired by opening the packaging)
   • The value of the product has significantly decreased due to use or partial consumption
   • The value has decreased over time to the extent that resale is difficult
3. Return shipping costs for simple change of mind are borne by the member; for defects or wrong delivery, by the Company.
4. For exchanges, the bearer of shipping costs is determined by who is responsible for the exchange reason, and the member's share may be charged as an additional payment.

1. Cancellation of intangible products such as seminars, training and online courses is processed through a cancellation request followed by Company approval. Refunds are not immediate upon request; the Company approves after confirming attendance or course usage.
2. Approved cancellations are refunded to the original payment method, and seats (capacity) are restored at the time the cancellation is confirmed.
3. Refunds after a training/seminar has begun, or after an online course has been started, may be restricted or made after deduction in accordance with applicable laws and the Company's refund standards, taking the degree of use into account.
4. If an event or training is cancelled or paused due to the Company's circumstances, the payment is refunded in full.

1. Refunds are processed to the original payment method after cancellation or return is confirmed, and processing times may vary by payment method depending on the payment gateway.
2. For partial cancellation of orders with promotions or coupons applied, discount benefits are recalculated in proportion to the cancelled quantity.

1. Members may request withdrawal at any time on My Page.
2. Withdrawal is restricted until the following matters are completed:
   • Orders in progress (before delivery completion or purchase confirmation)
   • Cancellations, refunds or exchanges being processed
   • Unsettled amounts (receivables or settlement amounts) remaining
3. Within 30 days after withdrawal, account recovery may be requested through customer service. After 30 days, login information is destroyed and re-registration is required.
4. The processing (retention and destruction) of withdrawn members' personal information follows the Privacy Policy.

1. The Company may restrict use of the Service or terminate the service contract, with prior notice (or subsequent notice in urgent cases), if a member:
   • Uses another person's name or provides false information
   • Engages in fraudulent use such as unauthorized resale of products
   • Attempts payment fraud or unauthorized access to or manipulation of the system
   • Copies or distributes course videos without authorization
   • Violates applicable laws or these Terms
2. A member who objects to a restriction may raise an objection through customer service.

1. The Company endeavors to provide the Service continuously and stably in accordance with applicable laws and these Terms.
2. The Company establishes and discloses a privacy policy and protects members' personal information.
3. If a member's complaint or opinion is deemed justified, the Company handles it promptly; if immediate handling is difficult, the reason and schedule are notified.

1. The Company is not liable for service failures caused by force majeure such as natural disasters, or by third parties such as telecommunications carriers, payment gateways or couriers, unless the Company was willful or negligent.
2. The Company has no obligation to intervene in transactions or disputes between members, or between members and third parties, mediated through the Service, and is not liable for resulting damages unless willful or negligent.
3. The Company is not responsible for the reliability or accuracy of information posted by members on the Service.

1. Copyright in the Service and content produced by the Company (product images, descriptions, course videos, etc.) belongs to the Company or the rightful owner.
2. Members may not reproduce, transmit, publish, distribute or broadcast information obtained through the Service, or use it for profit, without the Company's prior consent.

1. The Company operates customer service to handle legitimate opinions and complaints raised by members.
2. Disputes between the Company and members may be submitted for mediation to dispute mediation bodies (such as the Korea Consumer Agency) under the Act on Consumer Protection in Electronic Commerce.
3. Lawsuits between the Company and members are subject to the competent court under the Civil Procedure Act of the Republic of Korea.

These Terms take effect from July 28, 2026.