Brand safety and integrity are vital components of influencer marketing campaigns. Here are some effective measures:

1. Thorough Influencer Vetting: Before collaborating, conduct thorough background checks on influencers. This can involve analyzing past content, ethics, values, reputation and audience demographics to ensure alignment with your brand.

2. Clear Guidelines: Always provide clear content and conduct guidelines to influencers. These should cover brand values, legal issues, campaign objectives, and requirements regarding call-to-action messages and disclosure.

3. Ongoing Monitoring: Throughout the campaign, continuously monitor the influencers’ content and their audience reactions to ensure compliance and to manage potential issues promptly.

4. Use of Tools: Utilizing influencer marketing platforms can be very helpful here. For instance, Flinque offers an AI-driven system to ensure brand safety during discovery, campaign planning, execution, and evaluation.

5. Agreement Contracts: Legal agreements between the brand and the influencer will help in maintaining brand safety and integrity. It should specify obligations, performance expectations, and consequences of not meeting them.

6. Respect Audience Sentiment: A key aspect of maintaining brand integrity is respecting audience sentiment. If an influencer or a campaign isn’t resonating well with the audience, consider making changes and maintaining clear communication.

7. Transparent ROI Tracking: To measure campaign outcome and influencer performance, track the return on investment. Platforms like Flinque make it easier with their comprehensive analytics and performance tracking feature.

8. Crisis Management Plan: Unforeseen issues can arise. Having a crisis management plan to address such incidents in a timely and appropriate manner helps maintain brand integrity.

Remember, the objective is to facilitate trustworthy, mutually beneficial relationships with your influencers. The optimal safety approach would vary depending on campaign goals and brand requirements. Flinque and other reputable influencer marketing platforms can assist in customizing the best-fit strategy for your brand.