Fetching data to component state

Brand.js

const brandUrl = brand =>
  `https://makeup-api.herokuapp.com/api/v1/products.json?brand=${brand.toLowerCase()}`;

export default class Brand extends Component {
  fetchBrand = (brand = this.props.match.params.brand) => {
    fetch(brandUrl(brand))
    .then(response => response.json())
    .then(products => this.setState({ products }));
  };

  ...
  render() {
    // render from state
  }
}