

Not much study has been done on effects of topical usage of Avobenzone during breast feeding however it is known to penetrate the skin in very limited quantity. Its not very likely to have adverse effects in breastfed infants.
Note: Study and data for tropical use only, Breakdown product causes relatively high rates of skin allergy hence stabilization is required.Homosalate has been found in mothers milk, its skin penetration rate is less than 1% in human and laboratory studies. Some studies suggest that Homosalate disrupts estrogen, androgen and progesterone levels. As not much study has been done on effects of Homosalate during breast feeding its recommended to use safe alternatives.
Note: Study and data for tropical use onlyOctyl salicylate is an oil soluble chemical sunscreen agent that absorbs UVB radiation. It does not protect against UVA. Octyl salicylate is used to augment the UVB protection in a sunscreen. Salicylates are weak UVB absorbers and they are generally used in combination with other UV filters
Octisalate rarely causes allergies in tropical usage. Not much study has been done on effects of topical usage of Octisalate during breast feeding however it is known to penetrate the skin hence it�s better to use other alternatives.
FDA study found blood levels 10 times above cutoff for systemic exposure, skin penetration in lab studies has been observed
Note: Study and data for tropical use only
If you observer abnormal behavior or any other health issue in infant then you should immediately call 911 or contact other contact other emergency service provider in your area otherwise closely monitor the baby and inform your doctor about your Avobenzone, Homosalate, Octisalate, Octocrylene Lotion usage and time interval of breastfeeding.
If your doctor knows that you are breastfeeding mother and still prescribes Avobenzone, Homosalate, Octisalate, Octocrylene Lotion then there must be good reason for that as Avobenzone, Homosalate, Octisalate, Octocrylene Lotion is considered unsafe, It usually happens when doctor finds that overall advantage of taking
Yes, Extra monitoring is required if mother is using Avobenzone, Homosalate, Octisalate, Octocrylene Lotion and breastfeeding as it is considered unsafe for baby.
US
National Womens Health and Breastfeeding Helpline: 800-994-9662 (TDD 888-220-5446) 9 a.m. and 6 p.m. ET, Monday through Friday
UK
National Breastfeeding Helpline: 0300-100-0212 9.30am to 9.30pm, daily
Association of Breastfeeding Mothers: 0300-330-5453
La Leche League: 0345-120-2918
The Breastfeeding Network supporter line in Bengali and Sylheti: 0300-456-2421
National Childbirth Trust (NCT): 0300-330-0700
Australia
National Breastfeeding Helpline: 1800-686-268 24 hours a day, 7 days a week
Canada
Telehealth Ontario for breastfeeding: 1-866-797-0000 24 hours a day, 7 days a week